e-Front Curtain Shutter - Switch it OFF or Leave it On?
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- Опубліковано 20 сер 2024
- There has been some debate online (and a lot of hot air) about whether you should be switching the e-front curtain shutter off on your Mirrorless camera. In this movie I will look at what problems (if any) you should look for and the impact the Electronic Front Curtain Shutter or 'EFCS' has on Bokeh.
Link to a good article that discusses Bokeh: www.bhphotovid...
Mark Galer is a Sony Alpha Ambassador for Australia.
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Join me on Patreon for the best Alpha Support and Guidance. A single $10 Membership fee includes access to my 500-page camera-specific eBooks, member-only Q&A Forums + Over twenty 1-hour member-only seminars + cameras settings files & access to the Raw files from the lens and camera reviews (there is no contract or commitment beyond the first month). www.patreon.com/markgaler
This man is a Wikipedia and way more precise on sensitive and subjective topics. Love his content. Learning a lot from these.
Thanks for the positive feedback
Thank you so much! I've just upgraded from A6000 to A6400 and was noticing how the shutter was slow on my A6400. Turned e-Front Curtain back on and now it's much, much faster and quieter. Thanks for explaining this function and all your other great tutorials. 👍
Mark, I can't begin to tell you how much I appreciate everything you do. I consider myself a couple notches 'below' an amateur photographer, and I would have probably sold my Sony a7iii if it weren't for you. NOT that I don't like the camera, (it's amazing) . . . it's just that I'm not good at learning menus or reading instructions. In the short time I've owned the camera and watched your videos, people are amazed at much better my images look. I owe ALL of that to you. Thank you so Very much Sir.
Thanks for your positive feedback
Nice detailing Mark. I love your stuff, the way you present. No dramas only facts. Great help here....
Thanks for the video. I like that I can watch your video at 1.5 speed and still understand you.
A truly excellent explanation. I got here by thinking my shutter was double-pulsing and it seems I was right! What I did not realise is that the curtain needed to close after remaining open for view-finding - I really should have known better.
This was a beautiful example of the adage that explanations provided by those who really understand are not generally too hard to grasp. It's just the efforts of the multitude of the less uninformed on UA-cam that make simple matters difficult to grasp.
This photo-novice is truly thankful. Mind you, Sony really should provide a decent manual!
Nice vid! The truncated bokeh that results from EFCS is a result of the difference in height between the electronic front curtain, which is effectively 0 mm above the surface of the sensor, and the height of the rear curtain, which is (on Canon cameras) about 5mm above the surface of the sensor. I mention this because it means that the effects of EFCS may vary not just from lens to lens but from manufacturer to manufacturer and even body to body.
Given that exposure variations are more of a theoretical problem-Canon does not even list exposure variations as a potential downside to EFCS, only "incomplete" bokeh-the most interesting question to me is not whether truncated bokeh is good or bad but at what point it starts to become noticeably different from what you would get with a mechanical shutter. On my R5, differences seem to only appear at apertures faster that ƒ/1.8 _and_ very high shutter speeds. This would imply that EFCS has no practical downside for anyone that shoots with zoom lenses. I'm curious if your experience is consistent with this.
Thanks for your insights. I have to say that I am not overly concerned about the changes in bokeh on shots captured with a 1/8000 second shutter speed. The idea for me blurring the background with an f/1.4 aperture is that the viewers don't notice any distractions behind the primary subject. I suspect only people who have been trained to look at bokeh will be looking at the bokeh.
I hope Sony adds an option to Auto Switch-off EFCS above 1/1000 SS. Other manufacturers provide this option. That would solve the issue. I think they will do it only if enough people complain/ask for it.
It would be good option but not a good default. As the video explains pure mechanical shutter slows down continuous shooting and reduces responsiveness. So even at high shutter speed you want the EFCS on when shooting sports or any other time critical application.
I guess aperture larger than f/2.8 and speed above 1/1000 and focal length to subject distance that produces substantial bokeh e.g. 24/1.4 at less than 3 meters, 85/1.4 at less than 5 meters
Not default but the ability to assign it on/off to any C button.
@SwitchRich perhaps EFCS should just be switched off in HSS automatically if it is not compatible?
I have placed the option to switch it off in my Fn menu. I wouldn’t wNt to assign it to aCustom. Upton that I could accidentally switch it off. Sports photography would be compromised with it switched off.
Mark Galer's Alpha Creative Skills Will check how to pit it there too, I did on the My favorite menu . Is very noticeable the results when using my voigtlanders lenses
Awesome Stuff... Thank You, Had my Sony for 2 years and the EFCS was always Off - but after watching this, it will stay on!
Thanks for the clear explanation. Very informative! I normally leave it ON since I take mainly landscapes and do lots of long exposures. I will keep an eye on it for fast shutter speeds and when I want the best possible Bokeh.
I wish there would be an option in the Menu to "Auto turn EFCS OFF @ SS" by selecting a user defined SS. Options would be 1. Do not turn Off 2. 1/1000, 3. 1/2000, 4.1/4000, 5. 1/8000
You’re a legend for condensing this info and delivering such a thorough, clear explanation of EFCS.
I’ve had some nice experiences shooting landscape with it off in the daytime at relatively low shutter speeds. But I have had some nightmares, the shutter shock seems particularly noticeable in low-light and at slow shutter speeds? I was hoping it would capture more natural bokeh behind my subjects, but it ending up trashing a lot of my images one night, as they looked in focus on back lcd screen (a7iv). If you do have it switched off, I’d defo recommend pixel peeping, just to check focus is tight. Personally I will always turn it off and shoot electronic for my main subject shots and then I might try some mechanical shutter (with EFCS on) after I’ve got some shots I’m happy with, making sure to pixel peep every now and then too on back LCD.
A lot of UA-camrs are just saying yolo turn it off, so it’s nice to hear someone give a more balanced perspective on it as there are potentially huge drawbacks to the shutter shock - something I couldn’t see even with a 3 million megapixel screen.
Anyway happy shooting! I’m prob gonna move up to the R5 and shoot mechanical for landscapes, but stick to electronic for portraits mostly as I’m usually out and about and like to try some yolo shutter speeds. 😂. Might even get a flash too like a real pro lol. Peace out!
Thanks for your input. UA-camrs can invent issues where they don't really exist or recommend changing shooting settings without discussing why they were not the manufacturers choice for their default settings.
im using an a6400 and i prefer having it on all the time. i just think it sounds a lot better because having it off makes it sound like you pressed the shutter twice. it also makes it less annoying when im taking photos on the street because the 2 clicks of having it off is more noticable. im also not a professional and im usually using f1.4 or f2.8 lenses and the bokeh seems fine to me.
Hey Mark, first of all I just want to offer my compliments on that shot of yours of the rodeo. That is honestly incredible.
As for the topic of the video itself, I appreciate how you unpacked everything and offered the conclusion that EFCS really is not that much of an issue even at fast shutter speeds. This was especially comforting to me because I recently bought a pre-owned Sony A7C and god knows why but Sony in their infinite wisdom decided to leave out any option whatsoever to disable EFCS. Which is honestly unthinkable considering even the most basic model in their entire lineup (A6000) has it as an option. I really don't understand camera brands sometimes.
it would be nice to know it was an option to turn it off but since I can't, at least there are very few instances where it could be a problem to me
The A7C, A7CII and A7CR have no option to use a mechanical first curtain shutter. The 6700m however, does. This is most likely because the physical space inside the full frame compact bodies is just too tight to accomodate the shutter mechanisms used in the larger full-frame bodies. Sony would, most likely, have been faced with an engineering decision and they chose not to compromise on the small size of their Compact cameras.
Thank you Mark for yet another great class! I've learned a lot from it, as always the case with your videos.
In the article about bokeh from B&H though, they seem to have an inaccuracy in definition of chromatic aberrations:
"Lateral CA will color the edges of an object, including the edges of an out-of-focus disc. The longitudinal CA will produce a color tint on the entire disc."
The common knowledge is, lateral CA looks like unequal scaling of the colour channels, and longitudinal CA looks like coloured edges of the bokeh balls.
@mark the bokeh problem is that circles are clipped. You need to increase speed with EFCS ON to say 1/8000. I posted samples on DPreview few years back.
The problem with EFCS is that the two shutters work on different planes - electronic is on the surface of the sensor while the mechanical is few mm in front.
The lack of roundness is caused by mechanical vignetting.
PS I can post samples again later in here too.
PSS excellent video and fantastic series the past few weeks. Thank you!
Kiril Karaatanasov I just watched this whole video and I’m still confused. So EFCS no means silent shooting yes? And off means normal mechanical? SO EFCS on can cause shutter shock? I thought there wasn’t movement? I’m
Probably an idiot but I’m
New to Sony and can’t get it
@@ayyotrav9293 Kril talks about the second 'issue' - bokeh. As for the shutter shock it will be more significant with EFCS off (as an electronic mechanism is replaced with a mechanical one)
And silent shooting will not be possible without EFCS, as its achieved by having both curtains electronic.
Wow that bokeh on the left @ 22:50 is nothing short of amazing!
Fantastic video mark. You are my go to sony guy after buying my A7 iii two days ago. I am going out shooting the deer rut in the morning and had ECFS off I will now be tuning it back on ready
great informative video as always Mark. You're the BEST at these tutorials which helps to educate the photog community. Dont just believe the rumors online or in forums. get the facts! and do the testing yourself, as you have done here. Keep up the great work. SONY Rocks!
I was wondering what it was and whether I should keep in on or off! this was helpful thanks
Saved so much time by coming here first after the forums - many thanks.
Glad it helped
Awesome video Mark as always! After watching a few videos of "agitated" people telling me it was ruining my photos, I came here looking for an accurate demonstration of the actual impacts of switching it off and you didn't disappoint. Seems like it's not such a big deal after all, thank you! 😁
'Big Deal' with 'Big Deal' titles videos will earn their makers more money at the expense of their viewers. Avoid titles such as 'why I returned this camera' or 'why you should always change this setting'. Avoid any video that include titles with definitives, like 'never' or 'always'. These highlight the fact that someone without sufficient knowledge or training believes they have more insight into the product than the engineers who designed and make these sophisticated products. Most 'Default' settings are default for a very good reason - all one has to understand is why they were made the default (usually to reduce the number of clients wanting to ring in a perceived problem with their purchase).
Perfectly stated @@AlphaCreativeSkills
All my favorite photographers seem to be in Melbourne! Great video mate
Amazing you can elaborate so deeply on one menu item. Very much appreciate you demystifying these sometimes obtuse options for us. Thank you!
Glad you enjoyed it!
Although I followed some of the online discussions for a technical explanation of this phenomenon, I suspected that it might be more-or-less a non-issue, unless shooting at the extremes of shutter speed and aperture - but then (for the bokeh issue, at least) it's more of a subjective matter. Your clearly presented video and examples gives a reassuring explanation. (No worries!)
BTW, you could leave EFCS set On, then switch it Off by assigning that to memory and recalling it quickly with one of the mode dial options. But that would probably be over-kill.
Also, nice use of the gorgeous 180mm Nikkor :)
Definitely going to listen to this as I had terrible banding for a dance school and the photos are ruined. No way to fix as far as I know.
Very difficult and time consuming to fix in post
I have noticed a terrible banding when i use flash it would had been a great example if it was included in the video. when you go past the sync speed anf you have it on it will create bad lines on your pictures. Thank you so much for the video very useful and helpful for sure. it does make it clear for sure. thank you
Yup. The same thing happened to me and it was the best shot of my shoot. I'll definitely turn it off when shooting HSS.
Same happened to me. Vertical line banding using a Neewer Q3 HSS flash, Sony GM 85mm 1.8, 1/8000s f2 and Sony a7rII with EFCS on while blacklighting with sun and using flash in front to side of subject. I'm surprised you didn't encounter it. I'll remember to turn it off in the future!
Very efficient use of time Mark. Thank you for your work.
Great video Mark. Thanks for taking the time to show the samples! For now I set it as a shortcut to play with later!
Useful video. I personally think that the advantages that you get from the electronic shutter override the little disadvantage in bokeh smoothness.
on Sony A7II with(w/latest V4.0 firmware) - turn on/off e.front shutter under custom settings(cog symbol)-item 4. more important to turn off focus beep to reduce overall noise.
Well Mark - very thorough beautifully presented and I can't i can't imagine anyone having any doubts about why EFCS is by default ON.
Thanks for this comprehensive study. I was wondering - why is the boken affected by the e-Fron curtain shutter setting ?
Subscribed, so detailed. THANK YOU, this is the kind of support camera stores won’t provide me & I that I’ve not been able to find elsewhere. Keep up the great work friend. I appreciate your hard work. Cheers from KY! 🥃🤘🫶
Glad I could help! Since i made this video tutorial Sony have released a number of cameras where users cannot disable the e-Front Curtain Shutter. For comprehensive Alpha support head over to Patreon.com/markgaler
Thank you Mark, this is thoroughly explained
Thanks so much, was confused about whether I should have been setting the EFCS to off all the time I've had my A7Riv....(it was on all the time)... decided to leave it as is :-) Thanks!
This was incredibly helpful. Thank you, Mark.
Thank you Mark, finally understood flash sync! Though I recommend to speed up your videos by 1.25 for normal talking speed... I watched it in 2x and it still felt "slow". No critique on the information, I learned a lot! Thank you!
My feedback from non-English speaking viewers is that I speak at exactly the right pace and that they have trouble with presenters from the USA who speak to quickly, leave few gaps between words and often have poor annunciation. I don’t mind if you have to speed me up. 😀
@@AlphaCreativeSkills Hey Mark, thank you for your response! One could argue that certain people might profit from slowing down your videos then :D Loved the content & subbed! Greets from Switzerland
Interesting. I turned the front curtain shutter off because on a few occasions I had "banding" in my images. It has only happened twice over the course of a few years and many shoots. I read somewhere that turning off the front curtain shutter would solve that problem. The shutter sound is noticeably different when turned off. I also noticed that when I used on camera flash that the flash would fire twice. I have since turned it back on. By the way, I have the 100mm STF lens and absolutely love it!
In deed, tested on my Godox V860 II and it fired 2 times (fill flash) with front curtain shutter off. I don't see any difference in the results tho :)
Good explanation. Even a 2 for 1 to me as the Max. sync speed is explained. Thanks!
I have seen with high speed sync on my Godox flash sometimes getting lines that almost look like lines of the sensor. Turning efsc off seems to help.
Yup that's happend to me too.
damn , I was wondering why this is happening ... will try it :)
Had the same experience with my Godox AD400. Turning it off helped.
Great video, but I can't believe we can't assign this function to the Fn menu or to a custom button. How does Sony decide which options can be assigned or not? It seems like it's better to let us assign anything to Fn or a custom button.
I have this mapped to C2.
Thank you for the video. Just bought a Sony A7III and used it for the first time on photoshoot. The shutter button kept sticking and it made me super nervous. I was pressing and nothing was happening! I will definitely try this.
Thank you a lot for the guide. I was gonna turn it off on my sony a6000, just got sure that I dont need to
Glad it helped!
Thank you for explanation, I was on an edge of selling my a7RIV as I hated shutter feeling and I had more shakes with this camera than with my any without ibis... Plus Lag... and most time I shoot under 1/500 as I take photos in dark conditions mostly :D
Thank you Mark. Always the best in-depth explanations on YT.
finally the voice of reason..... thanks Mark
Thank you for that, really clear description of this subject
Awesome video, it's not only well explained but you put a lot of examples. Thank you!
Thanks
Thanks for this deep look at Sony shutter variations and workings!
You closing gallery was interesting! To me the “softer” mechanical bokeh looks like bigger “circles of confusion” from a focus point of view…not sure in the 1/3 stop makes a difference or not there. Back to the gallery, there were only a few where I thought the softer mechanical bokeh may have improved the image…and they already has “busy background” so we’d really need both side-by-side, and 3 pitchers of beer while “arguing” :-)
The exercise over beer sounds interesting - my priorities, however, tend to not be based purely on bokeh. I shoot sports, action and events (with wide-open apertures ad very fast shutter speeds) where nothing is still so faster frame rates, a more immediate response from the shutter release and improved focus tracking are the priorities. So long as we have enough blur I am usually happy. The shape of it is of less interest to me - but that is personal consideration.
Tried turning this on. The uneven exposure it produces is clearly visible and not desirable at all. I will not be enabling EFCS, regardless of shutter shock or whatever else might occur.
Very well explained. Seems like for my uses and lenses, I should just leave it on and forget about it.
Now, for future videos, would be too much to ask if I requested that you included a timeline on the description in order to jump into specific sections of the video instead of having to scroll through the video to find, for instance the impact on bokeh of the electronic front shutter.
GREAT info - to the point and clear language :) for both newbee's like me and Im sure for proff. too...
THANKS
Great info, with examples! What more could we ask for?
Thank you Mark. Clear, detailed information on a subject I needed clarification on. Thumbs up and subscribed. 👍👍
I was experiencing banding in indoor events, nightclubs etc. turning efcs off solved the issue
In my opinion that's nothing to do with EFCS being off on or, it's all to do with whether you were shooting with Electronic shutter on and choosing the wrong shutter speed which didn't sync with the refresh rates of the lighting indoors, such as fluorescent or concert spotlights which refresh at higher rates.
@@davyfbkk This was using the mechanical shutter. Electronic shutter was much worse, but banding still continued in a portion of my shots. Turning EFCS off solved my issue.
didn't even know my camera had this feature.. thanks for explaining it.
Thanks for the info! I knew something was off on my Nikon Z6 all of a sudden but I couldn’t tell what it was. Then I remember I had switched EFCS on after reading someone’s set up guide. Switching it off fixed my weird lookin OOF backgrounds!
Just remember that you will lose the same advantages of using an e-Front curtain shutter on the Z6 as you will on the Sony Mirrorless cameras. It is something you need to switch back on after you have finished using it in the Off setting.
Mark Galer's Alpha Creative Skills I’ll take my chances. I can shoot my Bronica SQa (medium format) hand held at 1/60s with no visible shutter shock.
Very interesting video. Thanks Mark. I experienced a problem with the EFCS when using HSS with my f1.4 85GM / A7Riv and the Godox AD400 Pro. I got stripes/lines in the image. After turning the EFCS off, I didn't have the problem anymore.
Yes I hear users sometimes having to turn it off when using non-Sony lenses of non-Sony flash. Unfortunately Sony have no control over the design specs of third party companies.
Not sure if I missed it in the video, but I have my #3 custom photo mode with a fast shutter speed (1/8000) for active/sports so I just turned EFCS off for that mode. So whenever I turn the dial to 3 in photo mode, I know I don’t have to think about going into the menu to turn it off. I did test on my 24mm GM at 1.4 and there is a difference in bokeh above 1/1000 shutter speed.
Not sure if there was a question there but individual support is provided on my Patreon.com/markgaler support channel / differences in bokeh attributed to EFCS will differ with Alpha models being used
@@AlphaCreativeSkills Lol, no question. Just sharing. Thanks!
Bokeh truncation effect of the EFCS occurs at a high shutter speed. Shutter speed was not shown in some images. Also, to really see the effect, you need an EFCS off as the control to see the effect of EFCS on the images!
I showed side-by side examples in this video. Since making this video Sony now have three cameras where you cannot switch EFCS off.
@@AlphaCreativeSkills At 19:28, I saw that you did a side by side comparison but you left out very important information: the shutter speed! Yes, because a7c2 and a7cR do not have true mechanical shutter, potential buyers like me really want to know at what shutter speed that EFCS begins to effect the bokeh. Let say it is 1/1000 s, then we will go for the a7m4 not the a7c2 if we want to use the 50 1.2 or 1.4 GM.
This video is four years old (before the A7C models were released) and I think the bokeh looks OK at 1/2000 and 1/4000 second - even if you cannot switch of EFCS on the A7C models
Yes, the difference is subtle but so is the difference between APSC and Fullframe. So with the "APSC killers" A7Cii and A7Cr being EFCS only, I think people upgrade specifically to get that tiny bit blurrier background compared to their similar sized APSC camera. Yet when they compare their f1.4 APSC primes to their equally sized f1.8 FF primes, the EFCS will make the FF image look even busier than the APSC image. I think this issue is not communicated prominently and people are left wondering why their FF image doesn't look any better than their APSC image, despite having a shallower DOF on paper.
Thanks for your input
This is great. Thanks for sharing. I learned a lot.
Glad it was helpful!
Hi mark, very nicely explained, i am not a professional photographer but i took A7iii because i love it, during watching your video i tried some photos to your video where you are explaining bokeh with yellow background lights with round shape. i found the difference with eshutter on i got image at 4000iso and when it is off i got it with iso5000, another thing i noticed when eshutter on the captions you wrote on the image were clear white, with eshutter off the captions were little yellowish.....i took with kit lens and with eshutter on i got good image quality
I don't understand why colors are different between Silent and Mechanical shutter when using the same settings in natural light. My silent shutter photos are far more contrasty.
I always switch off EFCS. I just toggle between mechanical shutter and electronic shutter, depending on what I need
Always? I hope you took note of what benefits EFCS offer the photographer and why Sony chose it as the default setting.
Many thanks Mark, excellent work, well explained!
Great video Mark, nice one!
Great video thanks for your time and patience
Really great explanation. Thank you for taking the time to make this video
You're very welcome!
I really wish Sony would implement a shortcut to this that can be put in the Q menu
I’ll try turning this back on in the A7RIV because shutter shock is really really bad in the 1/60-1/250 range
Thank you so much sir for the detail explanation
Super helpful. Thank you!!! =) I’ve noticed out of focus backgrounds sometimes looking like it had "clarity" applied to it. Now I know why. Also I’m considering getting an A7C which apparently doesn’t even have a mechanical front curtain shutter so I need to decide whether that matters to me... your video is gonna be a great help with that. Cheers!
Glad it was helpful! - I have an extended A7C video review on my channel. Hope that can help you make up your mind on the camera.
@@AlphaCreativeSkills I hadn’t come across that one yet - will definitely check it out! Over 1h? Count me in! 😍
On the Z6 with it set to Auto, it will use electronic shutter up to 1/250 then use the mechanical shutter after/above that. Thought i mention it since it took me awhile to figure out how and why it works
That will be an electronic front curtain with a mechanical rear curtain as fully electronic would lead to shutter distortion when shooting moving subjects on all cameras except the Sony A9
Thanks, Mark. Wonderful information.
Thanks, really clears it up for me now.
Thank you for the detailed explanation.
Your shots made me subscribe! You sir are good
Thanks for subbing
when its on and using really high shutter speeds at the same time (1/5000s - 1/8000s) then the bokeh gets cut in half which results in a much bigger difference so that's something to look out for ;)
Thanks for your input
Really well explained
The times I've used the silent shooting on motor bikes...I suffer from image slur....in effect, the image seems to have been skewed...happy to provide and image example... Sonya A7III
Silent Shooting (fully electronic shutter) is not the same as eFront Curtain shutter which uses a mechanical rear curtain shutter. Silent shooting is not recommended for quickly moving subjects.
@@AlphaCreativeSkills So eFront curtain should be OK with fast moving objects ?
Another great and informative video Mark. Thanks a lot!
crystal clear, thank you Mark
With EFCS=On and Off-Camera-Flash in HSS-Mode with shutter speed above 1/1000. I'm getting tons of zebra-like stripes in every picture, horizonal in landscape orientation, vertical in portrait.
I think, THIS is what Sony meant with "uneven brightness". Problem disappears with EFCS=Off, so no biggy.
Uneven brightness usually refers to the black band I showcased in the video. For my test it was just one stripe.
The shutter on my Sony A7Rii just stopped working. Five years old, 35,000 actuations. For a camera (body) that cost me $2,700 (U.S.)at the time, this is very disappointing. Cost to replace: close to $500. From what I've read the shutter should have been good for 150,000-200,000 shutter actuations. I see there is a class action suit about this problem with the A7iii series. I didn't think much about this issue until it happened to me. Buyer beware.
Any mechanical component can fail at any time. The shutter mechanism in the R models are of a better build quality than those found in the A7lll - sony have been known to repair cameras outside of the warranty period if they are sure it is not down to user error, e.g. excessive grime in the sensor chamber.
did you see the detail in sharp places? When EFCS is off they are also a bit less detailed (for my eye), difference is smaller then the bokeh. You can always smooth is a bit more to take the clarity or the contrast a little bit, most clear in the shots with the fence and the lifebuoy and the ship in bokeh
I haven’t seen any difference in sharpness - I’m using good glass and a 4K monitor to edit. Sharpness is critical to my workflow as Sony expect me to showcase the quality of their premium lenses.
Mark Galer's Alpha Creative Skills. ... ok well it is hard to say also with the youtube compression but there seem to be less detail also in sharp area's so maybe it is just other contrast or clarity with on or off
Thank you Mark!!!!
My pleasure!
Great tutorial. Thank you
Only issue I've ever seen with it on was weird horizontal lines at high shutter speeds in high speed sync. A7iii and a6000, ad200, fe85 1.8 - fe50 1.8 - fe28 f2
Interesting. I can't imagine why a different lens would affect EFCS shutter speed-exposure sync issue more or less than another lens. What does the lens have to do with that sync?
I get the uneven exposure on high shutter speeds on my tamron 24-70 :( quite regularly actually
Awesome teacher mate, I am a fan
Are people leaving it on and using for fast speeds causing it to fail and break??
It’s a possibility
Starting at about 20:50 there is the GM1.4/85mm comparison. What i find interesting is that Mark needs to speculate about what Sony "had in mind". Why is it not possible to get first hand info from Sony? Why does Mark have to speculate? At Zeiss that's much different. Zeiss staff gives one direct answers and at occasions one can speak to them life one on one. I never saw this becoming possible at Sony. Yes, I do have the GM1.4/85, and the color fringing that one sees is typical for that lens ... :-(
I believe that may be a cultural difference between a European and a Japanese company in the way they choose to do business.
I have found that under certain circumstances, EFCS On can cause horrendous banding. I had to completely re-shoot a school recently. The banding occurred in rooms (eg gymnasium) that had LED lighting and my shutter speed was 1/250 or higher. This occurred using both Sony 55 f1.8 prime and Sony 16-35 f4 lenses. I believe that the LED lighting has a lot to do with it but once I re-shot everything with EFCS off, the problem was gone. I can see the issue Mark on one of your images in the video. Time stamp 14:05, bottom row, second shot in from the left looks to have the same banding that I was getting with EFCS on under artificial LED lighting at shutter speeds at or above 1/250.
Mostly the banding is a result of using silent shooting - switching EFCS off will also switch Silent Shooting off. The image you refer to at 14.05 is shot through a shop window and what you can see are surface reflections off the window. On the A7Rlll I can use a feature called anti-Flickr that will time the release of the shutter to miss the strobing often seen by fluorescent lights.
@@AlphaCreativeSkills Ahhh OK. Thanks for the explanation Mark.
Have been playing with EFCS on and off and silent shutter on an a7iii shooting basketball games.. haven't found obvious differences as of yet..
Watch out for two things :
Silent shooting can create banding according to lightsources (let lights can create banding, but only in silent mode).
Also, it took me 2 years of shooting before releasing that shooting in silent mode would create a HUGE rolling shutter effect on the result image. I shot cyclists passing by with a quite low shutter speed to get some speed effect, and the background is always "bent" because of rolling shutter, and I discovered that it wasn't a thing in "normal" mode.
seems to be more noticed at 20-30 fps. I’d suggest less of an issue with single exposures?
I've stopped switching it off so it is never an issue
thanks for the detailed information. also, read that if efcs is on, exposure will be loss 1 stop. too bad that you didn't show up the histogram for each pictures. is this true?