Testing Sigma 18-35mm on GH7: Autofocus Disaster?
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- Опубліковано 5 лют 2025
- Metabones just put out a firmware update and I really want the autofocus to work with the Sigma 18-35mm f1.8, the ULTRA 0.71x Metabones Speedbooster and the Panasonic GH7. The GH7 features the new LUMIX hybrid phase detect autofocus that works great with native MFT mount lenses like the Leica 10-25mm and 25-50mm f1.7 but how does it perform with the GOAT GH5 lens, the Sigma 18-35mm with the Metabones Speedbooster.
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#lumixgh7 #lumixgh5 #lumixs5iix - Навчання та стиль
![I'm done with speedboosters on my GH5 + Sigma 18-35mm [Viltrox EF-M1 vs M2]](/img/n.gif)
Dude I'm pretty sure you overlooked this sentence in the firmware update guide: "Please ensure the checkbox "Combine OIS and ES for Panasonic" is unchecked". I've tested my GH7 with all metabones adapters (0.71, 0.64, smart adapter) at the newest firmware with lenses sigma 18-35, sigma 40art, canon ef 24-105, the autofocus all works flawlessly.
It's true)
thanks for the heads up i’m pretty sure everything i had everything set right- i might re-install the update if i can
@@CalebHooverif you get it working it would be cool to see if it works on g9ii as well
Yeah reinstall the update and do a new test because this vid makes you look like a dumbass. Like don't even bother looking for a reason why your autofocus doesn't do jack bud. Most of the other videos of the speedbooster update mention this checkbox. Problem solving skills 0/10.
@@TheFlyFishingFilmmaker I am uploading that video right now. I have tested several Sigma EF art lenses with the MB Ultra & XL and it works very very well. Somethings were definitely missed here. Check my video on my testing of the 18-35 on the g9ii.
This video misleads lots of potential users because of the mistakes on updating the Metabones adapter, the user error is hard on this one, my advice is to put it down, this just keeps the bad reputation about the autofocus for lumix cameras.
Yes, the poster should at the very least, modify the title or the add to the description the solution therein
Having seen this combo actually work in person, and pretty damn well at that, I look forward to the follow-up video after you check the correct box before upgrading. Hopefully, you'll do it soon, as this video is high in the search and is creating the wrong impression. Regards.
Maybe you missed a step updating the firmware - try this? " •Make sure that the ”Combine OIS and ES for Panasonic; legacy AF for Olympus; disable AF for Blackmagic" is turned ’OFF’ in the software menu when you have the speedbooster connected to the computer. Otherwise the PDAF will not function."
This.
exactly
could be that but i’m pretty sure i had everything right in the firmware- i might try to reinstall and see if that works 🤷♂️
😏
Could you try the speedbooster with the new Sirui Autofocus Amamorphic on operate GH7? Does af work? How well? Any funny artifacts with the anamorphic after squeeze? Thanks.
Apparently there's a certain setting combination in order to make CAF work. I've seen two videos where the AF works perfect with the metabones update
ua-cam.com/video/tWifjKq-zvA/v-deo.htmlsi=Al5XaJ3TpNxX_B5y
Here is a direct tutorial from Metabones CEO
Please share the link to the videos
@@kayodeolaosebikan7462 somehow I can’t put a link here
gonna take a look!
This lens focuses like a frickin' dream on my Canon R7 with the EF-RF adapter. It performs better than ever! Not sure what's going on here, but I would assume it's the speed booster?
yeah gonna try a few more things so hope i can make a follow up vid
Facial expressions were great lol. I am thinking about upgrading my gh5 and love the 18-35 lens. It’s unfortunate that gh7 is not working well with it. I may change the entire system.
i’m gonna keep trying and hopefully do a follow up vid
Hi Caleb
Use the 18-35 with S5iiX and Sigma Adapter it is working great there...
Thanks for the tip!
Is that combination reliable?
I uncheck all of the options in the checkbox on my Speedbooster Ultra, and the focus works pretty good with the Sigma and the GH7. If you check all options it will not work for some reason.
To be fair, I had this same issue after installing the Metabones firmware, that software package is absolute dog sh*t, the check 'boxes' are not boxes and there's no visual prompt in there to suggest any of the options are able to be toggled. I'm 99% sure that OIS setting was unticked anyway when I upgraded, but mine didn't work. I had to downgrade to 4.10 then upgrade again to 4.20 where the setting was off by default and now it works.
Did you know there’s a new Viltrox speed booster that dropped like 3 days ago for MFT.
Apparently brand new AF and it works better.
awesome to hear! i was just trying it out with what i have but im interested
it seems the new viltrox one just changed its lock mechanism, and it does not have any firmware update.
New adapter? Model please :)
I have the same issue with my updated metabones .7 adapter as well. I have tried 3 different Canon EF lens, with no luck. My impression was that the firmware would allow AFC mode but it says to switch to AFS whenever the adapter is on my GH7. 🤷♂️. Even in the AFS mode, I get the same results as you do Caleb.
"Please ensure the checkbox "Combine OIS and ES for Panasonic" is unchecked" says in the firmware update guide. Do it and you'll come back and thank me.
hope you get it working!
@@CalebHoover THANK YOU!! That worked. I also had the Autofocus in Mode 1, and switched to Mode 2. Now, all 3 of my EF lenses (24-105, 100, and 50) are working in AFC mode for human detect. I appreciate it greatly.
I hope this get a fix soon for GH7, love mine on ZV-E1 with MC-11. Work like a charm.
such a great lens for sure
I use the same lens and speedbooster with my GH7. Autofocus works wery well with AFC mode (not AFS).
I also tried AFS mode and had almost the same result. It seems that autofocus not so fast as in AFC mode, but it still very good. No mistakes. Try to check Metabones setting when you connect it to computer. Metabones V4.1 all checkboxes are unchecked.
yeah i’m gonna try a re-install and see if i can get this thing runnin
Clearly he didn't do the update properly or there is some issue with his particular lens. Make sure the right boxes are checked as per the instructions given on the updates. The AF isn't perfect but it at least focuses unlike what's shown in this video
Agreed. My GH7 + metabones + sigma 18-35 works just fine.
i’m glad it’s working for you- i might try a re-install and see if i can get it rollin- i even tried updated the lens but didn’t see an update
Your reaction when it didn't focus was priceless🤣🤣🤣
haha
Interesting though I've watched other videos where it worked fine ...
not sure why it’s not working here cuz i’ve seen some others that have worked too that’s why i was so excited
4'45 so dramatic and cinematic sequence 🔥
Thanks metabones that they did the update to solve this.
Great video
Crop factor is 1.8 x 2 (for mft crop) x .71 for the booster. So like 2.55
With my G9 II and the Viltrox speedbooster; I realised that the Canon 10-18mm works pretty well with phase detect. I feel it is the lens, more than the speedbooster?
Pretty sure Caleb just missed a few steps in the update process, like what others commented. I have the G9II with Metabones with new update + Canon 10-18 as well as Sigma 18-35 and PDAF works surprisingly well here
@@kentakikuchi dang, I tried my Viltrox again last night and it deffo doesn't.
hmmm… something seems off. not sure why it’s working in some cases but not others. i’m gonna try a re-install and see if i can get it runnin
I use 18 35 in Fx30 with 7rtisans adaptador AF works done for me 🤞
What about other EF lenses, have you tried any?
The continuous autofocus for video of Sigma 18-35mm f1.8 works fine on my S5IIX using Sigma MC21 and Viltrox EF-L Pro Adapter
Do a review with the Blazar Remus anamorphic lenses on the Gh7. It would be incredible! 🙏🏼
i haven’t yet but look awesome
Mines works just fine. I had to uncheck one of the boxes on the update page. It autofocuses just fine for me. The gears are noisy tho.
it is noisy! haha
DUDE !!! your GH7 is in AFS (single auto focus)! change to AFC (continous autofocus) the problem is in your camera settings
why does it say AFS at the top? should it not be AFC? i don't have the camera, so maybe there's something i'm not aware of?
It does not matter in video mode. AFS and AFC works differently only in photo mode.
the funny thing is is that i never change that mode- im gonna go back and triple check all the settings haha
@@wo-ai-xjpyou crazy? this is literally the only reason why it doesnt autofocus. It does matter in video too. Even with my S5ii while set to AFS it wont autofocus. Dude just change it to AFC to continously focus on the subject or otherwise it wont follow and will focus once you hit the AF button thats all you have to do.
@@SmartVideoBEdo you even have a gh7? on gh7 once yoy hit record button the camera will start to autofocus no matter its in AFS or AFC😅
@@SmartVideoBE I made a video to show you how it will autofocus in AFS.
Yeah. Really sad… I‘ve just ordered all the components: GH 7, Sigma 18-35 and speedbooster. Should be here tomorrow. Now I don‘t know, what to do. 😔
Why? Who ever thought a speedbooster was necessary after the gh5?
just go manual focus its much more fun!
This video is a wrong demonstration. The firmware update guide says "Please ensure the checkbox "Combine OIS and ES for Panasonic" is unchecked" and I'm pretty sure he overlooked it. My combination (gh7+18-35+metabones) works without any problem.
give it a shot! seems to be working fine for some- still a great combo setup though
Well, I have. And it works perfectly! 😀 So I think it’s time for a I-was-wrong-video, Caleb. That’s no big deal, I’d say, as you normally provide supreme content on your channel.
I was thinking about testing this but not looking good :/
test it! let me know if you get it working
What firmware that is electronics component circuit board logic language
The gh7 was clearly shy for it's first few auto-focus moments. It'll get there ;)
the gh7 had great autofocus and i’m gonna keep trying to get the autofocus runnin with this setup
Shouldn’t it be in AFC? Instead of AFS?
I thought this too! But then the lumix lens works! I’m so perplexed
@@Ansonandco I noticed that. Did you ever try the AFC, if so was it any better?
the problem does not lie in AFS or AFC. it is that he updated the firmware wrongly.
i’m gonna give it another go and see if i can get it up and runnin- hopefully a follow-up video where it works haha
i think you are on AFS (single) and not AFC (continuous), it's says on the screen.
i’m gonna try a few other things and hopefully do a follow up vid
AFS instead of AFC?
seems to work fine with native lens but could be it
It's too bad sigma can't just make a m43 of this lenses, would probably sell like hot cakes
love the 16mm
I dont know why anyone would buy a super old lense with no native mount. Buy the 1.7 leica zooms and the olympus 1.2 pro primes and you will be more than happy
Because this lens is really good all ranges and most importantly the focus breathing is zero to none, that is very important to some when filming.
If you check on Sigma lens they even use this same optics and developed the 18-35 f2 cine lens. FYI, this lens is not discontinued they still make it new.
Because its the best ever made lens for a crop sensor. years ahead of its time when it was made in terms of IQ. It was pretty much glued to my gh5. i'm not sure what happened in this particular video, but i've seen another where it worked much better. with the metabones, this is like three 1.2 primes in one.
@@randallherreraNyc nothing is better than olympus pro lenses and autofocus works great
i just know it’s a common lens for mft shooters and is still a great lens - so i was just testing it out
@@andersistbesser ill stick with my opinion that the 18-35 is the best ever made lens for a crop sensor lol... but, I haven't had a m43 camera since the gh5.. and back then I'd always heard that Olympus lenses didn't work quite as well on Panasonic cameras (in both video and stills) as Panasonic own lenses. Has this changed now that they are pdaf?
Btw the speed booster doesn’t make a full frame lens faster. The f1.3 number you see in the screen is not accurate, you still have to do the math but use the f1.3 number and the metabones speed booster number. That will give you a more accurate number but it certainly it’s not faster than F1.7.
no the speedboster does not make the lens faster but it does boost the light amount hitting the m43 sensor therefore giving the camera overall a few stops more, imagine having a 30cm/inch wide bucket that can take 1L of water per hour, now you give it a water source that gives a 60cm/inch bucket 1L of water per hour, if you would straight connect the source of 60cm/inch per hour to the 30cm/inch bucket then it would still fill only 30cm at the time since the other 30cm/inch would just miss the bucket but if you would make a funnel that would convert the 60cm/inch to 30cm/inch then no water would be lost, at the same time boosting the amount of water coming in since the bucket is getting filled at twice the volume, now this analogi can be a bit weird since water has a density and volume that cannot push in more water then it physically can push but light dose not have the same issue since its density is so low and it has no volume so it can push in more light then expected to the sensor
@@dirtystax284 I actually understand how the speed booster works that’s why I said the speed booster doesn’t make an f1.7 lens faster or any lens faster than what it’s on a full frame. I appreciate the you trying to explain it but I never said anything other than what I’ve said 🤣
@@CabralCreates Okay i must have misunderstood you whit the part "certainly it’s not faster than F1.7." haha lolzy sorry
@@dirtystax284 it’s ok lol I was just confused for a second 🤣 A lot of people think it’s faster than f1.7 because someone said it first on UA-cam and I think everyone learned it from that.
@@CabralCreates Not quite right. The physical lens doesn't become 'faster' but the aperture is indeed larger on MFT than it would be on FF because the MFT sensor is receiving more light than required for it's size. This is exactly the point of a speed booster. To recover additional light from a larger format lens that would normally be lost on a crop sensor. However the FF sensor still receives more light overall and makes up for the lower exposure with ISO.
I'v the same problem ....
something is wrong?
i think so too- i checked all the pins to make sure they were in shape
I lost it at 6:18 hahahaha
haha
You made me cry with laughter…
Skipped to the end bc I didn't understand why people would do this in 2024.... but, I think the title needs to reflect it's a bunch of things attached to a GH7 that are at fault, not the camera autofocus.
haha such a great lens i would love to use it
That is SOO sad. :(
gonna keep trying
😂😢
i’ll probably try it again sometime
@@CalebHoover we love our sigma 18-35 still though!
yikes
gonna try again sometime
I was 5 seconds away from buying the GH7. After this performance it’s a pass for me.
Please pass