Shutter Angle In Cinematography Explained
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- Опубліковано 8 чер 2024
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Let's unpack what shutter angle is, explain the differences between shutter angle and shutter speed and then look at some examples from movies that have used the shutter to create interesting visual effects.
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0:00 Introduction
0:55 What Is Shutter Angle?
4:53 Shutter Speed Vs. Shutter Angle
7:50 Creative Uses
11:39 MUBI
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![What is Shutter Speed - Camera Shutter and the Exposure Triangle Explained [Ep. 3]](http://i.ytimg.com/vi/SsIEcGbwgN0/mqdefault.jpg)
Great video 😁 You could add a conversion in the description
24 FPS:
🎬360°= 1/24
🎬180°= 1/48
🎬 90° = 1/96
🎬 45° = 1/192
But this only applies if you shoot in 24fps. If you shoot in 25fps, 180° = 1/50, while 60 fps, 180° = 1/120. This was covered in the video.
Edit: just realized you did mention 24fps
THANK YOU!
@@3dchick you are welcome
What if I shoot in 60fps ?
@@Pcpro047Tkgeekyteenagers just double the shutter.
At 60 fps with 180° rule you have to set 1/120
At 120fps 1/240 and so on.
One of the best and most helpful channels on YT. Keep up the good work, you make film and filmmaking more accessible!
You're seriously becoming my favorite channel on youtube. You're making me a better film maker. Thanks for helping me skip film school.
I love how you keep on making videos on topics rarely covered by other channels!
5:58 It’s actually the opposite for me. I prefer setting the shutter speed instead of the shutter angle as we shoot a lot with household lights. When switching the frame rate while shooting on Arri, we end up doing the math and changing for the corresponding shutter angle for a flicker-free shot everytime which is a pain
I enjoyed that. I find it always adds depth when you include interviews with cinematographers/directors -- because it takes an abstract fact of camera design and gives it a more practical 'character'.
7:29 I think that is a point against shutter angle, it's much easier to set the shutter speed to 1/50 or whatever light frequency rather than have to dial "172.8" and not all the cameras have fractions
Considering 50Hz flickering, it is much easier to set the shutter speed than an angle. When you have 50 Hz - 1/50 s, 60 Hz - 1/60Hz
Huge fan and there from the start of this channel. Thanks for all this free knowledge and practical insights. I hope to work with you one day.
An aspiring Film maker
Wow! So we that shoot on DSLRs are shooting the hard way with shutter speed, and professional cinematographers are doing it easy with shutter angle 🤔... Nice knowing this 👏
Big fan here, but in this one I disagree a little. Same shutter angle doesn’t maintain the same motion blur when you change frame rate, the motion blur depends on the exposure time, if you double the frame from 24 to 48 for example and you want same motion blur that the 24fps you have to set a 360 degree shutter angle
I feel like they had the same problem understanding this with avatar 2.
Hmm
Some cameras account for this automatically, for example the Sony Venice changes what 180 degree means based on the frame rate, so at 24fps it is 1/48 but if you change to 48fps it changes to 1/96.
@@C.C.Cope220 You just described shutter angle. All cameras do that
@@nomadben the key difference is that the shutter angle you set is always paired to the proper shutter speed [exposure time] in relation to the given frame rate. Not all digital cameras do that, since some do not have a shutter angle option (older reds) or their shutter angle defaults to 180 being 1/48 in all frame rates (Arri alexa cameras, though I haven’t checked the newer LF models.)
Not all cameras “do that” because no digital cinema camera (except the old alexa studio) has a physical rotating disc, therefore the shutter angle displayed is not as standardized as one would hope. (As the shutter angle is simply a shorthand, the actual thing being changed is exposure time off the sensor, which as I stated is not uniform across brands.)
Great video. Clearly explains the concept. Learned a lot from it.
I'm sure you get this on every video, but you really are the best YT channel in this lane and super helpful to film people of basically every experience level.
Its very easy to understand you explanation. Great channel for film-makers. Thank you for this
I love Ashes of Time, my favorite Wang Kar wai film, glad you included it
The most efficient class ever thank you sir!
Super interesting and very well explained! Thanks a lot!
Thank you , this is better explanation been searching. Need more content
This is the most informative YT channel when it comes to film/movies & cinematography!!! I have a question: how are you able to get film footage on your posts? what app do you use? thanks! cheers!
Best video ever, thanks so much for explaining this so good!
Amazing video. A master class on tecnical aspects for filmmakers and cinema lovers.
You provide first-class videos, invaluable information for aspiring filmmakers. Thank you.
this video was so helpful, thank you.
There are certain technical aspects of video that I've had a hard time really internalizing. Shutter speed has been one of those. I've heard all of this information before, but this video, with the clear explanations combined with visualizations and the often overlooked example footage, has been one of the best distillations on the subject!
This doesn't explain shutter speed, which doesn't need explanations other than 'photos per second' sort of, apart from the jazzy joys of syncing to lights if you have to do that. But then again, if we go massive pro baller we always use sunlight or candles. This was about shutter angle, which to be technical is a nothingburger in video since there is no shutter typically and therefore it cannot have an angle either. What video does have is 'scan speed'/'sync speed' to be finicky about it, grab a lab grade camera and shoot your electric frequency -2 shutter speed indoors with TL lights and you'll see what I mean, you'll get a band slowly running down the footage top to bottom if the camera actually runs it right. Or you should, if 'ISO' is high enough, ie the sensor completes the read pass fast enough. Many cameras for general use won't. My weekly allotment of useless nerd-factoid-dispensing-time has run out, so I'll have to go back to making sense.
Fantastic video! Great explanation on what is the shutter angle and its uses! Required watching for today's movie camera operators.
Amazing! Cleared up something i had no idea about in such a easy to digest manner and kept it interesting. Thank you!
Another great smart and entertaining video!! Keep it up!!
thank you best video on youtube about this topic
Very Informational Video. Learned a Lot from it.
This is fantastic content. However, there is something I'd like to point out. There is nothing inheritely natural about 180º. The motion blur is decided specifically by the shutter speed, and it happens that 1/50 or 1/60 seems to look the most natural. As demonstrated by Gerald Undone, increasing the shutter speed alongside the framerate only makes sense if you intend on slowing down said footage. When playing back at 1x speed, 1/50 will almost always look the most natural (in other words, you double it to get the equivalent to 1/50).
This! Exactly right, you can shoot at 1/50 at 50fps (360° shutter) and it will still have the same 'natural' motion blur. Although this only became possible when shooting on digital, as it would be physically impossible on film.
@@contentm3893 care to explain? cause this video sure didn't and neither does any other i've seen. all tests sugest what i said🥸
@@mellin7049 I'm trying to do some test to determine how motion cadence is affected by shutter angle vs shutter speed. These test I've done seems to show 180° has more natural motion cadence.
@@contentm3893 the problem is that in 90% of cases they refer to the same thing, since the standard is 24 fps and therefore 1/50 shutter speed. the interesting discussion is regarding high frame rates, whether it's worth for example setting 1/120 in the case of 60 fps videos.
if i recall correctly, gerald undone did some testing and concluded 1/60 (in this case 360 degrees) still looked natural. but i'd love to see more tests and more discussion. i'm very much open to change my mind, it's just that i'm very annoyed by how much the 180 rule is thrown around with no proper explanation or evidence.
@@mellin7049 This might help. DPReview TV: Why Shutter Angle Is Better Than Shutter Speed (for video) is saying 180°is equal to 1/48th which makes sense because that's exactly double 24fps. Not 1/40th or 1/50th.
Very easy explained..thanks
Amazing video!! Thank you
Shutter speed finally demistified! The best tutorial up to date. Great job!
so easy to understand, thaaankssss
Great!!! Some important topics are treated as if they were secrets instead of being the object of healthy sharing.
This is the best explanation of this concept I have seen
Well made! Thanks
this was a very interesting lesson for those of us new to all this technical stuff...mighty thanks ...
Didn't know this, thank you!
thanks a lot for providing very clear information
very helpful! THX💥
Thanks, as always!!
Very helpful. It's the first time I truly get the what degrees are.
thank you for your video
Very good explained.
Thank you, i totally get it now. 🙏
This is the one video I’ve been looking for and no one talked about
Big, big plus for this channel
02:59 RIP Tom Sizemore. Your contribution was immense.
i´ve nevert herd such a good explanation for Shutter!
This is epic. Thanks!
brilliant - thank you
Now, I know that if in the future I decide to make a movie, I will definitely aquire a movie camera instead of a DSLR or mirrorless camera. Or get a table where I can calculate frame rate and shutter speed according to the effect I want to achieve. Excellent video!
My understanding is that the disk existed primarily so that light entering the camera was blocked while a gear advanced the film to the next blank space that will become a frame. Because the film doesn't flow smoothly through the camera, it is advanced X number of perforations at a time.
Yes, one of the other tricks Kaminski used in 'Saving Private Ryan' was to desynchronise the shutter so that it stayed open slightly into the pull-down process of each frame, resulting in vertically smeared highlights that appear from the film frame moving through the aperture during part of its exposure.
Excellent 👌 explaination
Pls do a video about rolling shutter
4:53 is really the most relevant portion for anyone arriving at this vid thinking that shutter angle applies to consumer-grade video cameras.
this video just made sooooo many things make more sense
Great video.
so basically, shutter angle is another way of measuring shutter speed, except it is now synced with your frame rate. One disc rotation equals one frame, so increasing your fps will also increase your shutter speed (because the disc spins faster with the higher frame rate). As opposed to using shutter speed, where increasing the fps doesn't change the shutter speed value.
Fantastic
Great informative video. A useful inclusion, that rolling shutter jello effect more likely to be removed with rotating shutter cameras.
That's interesting, I didn't know that. Makes sense though, that you wouldn't have to worry as much about sensor readout speed if the shutter angle is being mechanically determined by something other than the sensor
THIS IS PAID GRADE OF INFORMATION!!! Thank you man you just taught everything I wanted to know about shutter angle!!!
I was just wondering how does the shutter angle on premiere pro works last night! Thanks a looooooot
Marvellous
When shooting video, I've noticed that the higher the frame rate for playback, the less the impact of shutter speed. When shooting 24P, a 1/96 shutter (90 degrees) is more noticeable than when shooting 60P at 1/240 (90 degrees).
small shutter angle means more gap between images, faster FPS means your eye sees more images in the same amount of time, or to say another way, less blank gap between images, your eyes/brain has a harder time registering the blank gaps with the faster the FPS
What about close to 360° shutter angles. Are they ever used when shooting 24/25/30 fps? Do you have any examples?
If I am out shooting and forget an ND filter, is there an ideal shutter speed for a 30fps editing timeline that will not be choppy?
6:22 Why will it always produce the same feeling of motion blur? When the shutter angle stays the same, the shutter speed has to change for different frame rates and the shutter speed determines the amount of blur. Here's a video presenting that very well: ua-cam.com/video/UPPSdCrqcFQ/v-deo.html
For example, there is a big difference in feeling (and blur) between 24FPS | 1/48s and 60FPS | 1/120s.
RIP Tom, he was great on that film
If you want to maintain the same smoothness you should NOT use shutter ANGLE but instead rely on shutter SPEED to maintain the same amount of motion blur not matter the framerate.
Problem is (if you have only one image processor behind the sensor and I don't know of any camera where this is different) you can't use a shutter speed that is longer than your frame rate. Because if you want to have 30 fps, each frame can only be exposed for 1/30 of a second. If you want to have a 60 fps movie with the same intensity in motion blur, you would need a 720° shutter ANGLE. And that's not possible if you can only capture and process one image at a time.
But this is why 360° feels so choppy. The motion blur from one image doesn't overlap with the motion blur from the next image. And this logically feels unrealistic to our eyes. And this becomes even more noticable the lower the fps goes.
Благодарности 🎉
you did mention the angle being able to avoid flicker, mirrorless cameras at least the modern ones can do that like sony’s with anti flicker, around 50.7 and 99.7 are the shutters that remove most flicker
Is it able to Mix up Differenz frame rates in a PR Sequence? :D
Hi! I don't understand why in shutter angle You don't need to change de shutter if i use 60 fps for example
I hear people say all the time how important it is to shoot in 24p or 23.976. for that "cinematic look" But from my years of filming I've realized that shutter angle plays a way larger roll in a filmic look than frame rate. Also 60p or 30p can be converted into 24p in post to the same effect. So just shoot 60p or 30p and you can decide later, seriously people!
Frame rate conversions that can't be achieved just by dropping frames involve a lot of image processing and aren't necessarily going to come out looking right.
@@ericssmith2014 Agreed, but the differences are so negligible
Terrible advice. Shoot for what you want
So your saying a lower frame-rate (6fps) blurs movement?
I have a Panasonic BS1H and I can use shutter angle. I believe this feature has made its way into other mirrorless systems as well?
Most modern Panasonic cameras can apply shutter angle or speed. The company have done more to put cinematic controls into consumer cameras than anyone else. However, as hybrid cameras are more often used as one-person vlogging devices than cinematic tools, their adherence to contrast detect systems kept Panasonic out of the mainstream. This didn't apply to serious videographers who would have used manual focus anyway.
School is in session, learn something everyday thanks
1:10 what movie is it?
can we make slow motion with 60 fps and 1/30 sutter speed?
The calculation at 5:32 is wrong. Before continuing, I just want to say that it's not the result I'm disagreeing with, but the description of the calculation. To get the shutter time [t] from frame rate [f] and shutter angle [θ], you divide the shutter angle by 360° and the frame rate. t = θ ÷ (360° × f) eg. f = 25Hz, θ = 180°, then t = 180° ÷ (360° × 25Hz) = 0.02s or 1/50 s.
Now, I know that "doubling the frame rate" is what everyone uses, and it gives you the correct number, but it won't work for extremely low frame rates where shutter times isn't in a neat fraction. Also: θ = t × f × 360°, eg. θ = 1/50 s × 23.976Hz × 360° = 172.6°
but wait, if the frame rate is sped up, does that not alter the amount of light hitting the sensor/film (since shutter angle is a relative value, not an absolute value like shutter speed), thus altering motion blur? as in, with shutter angle on film the shutter spins faster as the frame rate goes up, versus shutter speed being independent of frame rate?
how does shutter angle staying the same with framerate changes achieve a consistent "look" when the thing that the shutter affects is being changed?
Yes motion blur does overall decrease with a higher frame rate. What they mean when they say the motion blur is constant across different frame rates is that the ratio of blur to gaps between frames is constant. A 360 degree shutter has no gaps between motion blur because the camera is continuously recording. This is different from a 180 degree shutter angle in which there is a one to one ratio between motion blur and the gaps that separate them across frames. The camera is only capturing light half of the time, so only half of the blur is ever recorded. This means that an object will move twice the length of its motion blur trail between frames. The lower the shutter angle, the smaller the motion blur trail will be, and the larger this ratio will become
So it's exposure time - just a different math??
I assume when using a telephoto lens you would want to decrease your exposure to maintain the same "blur" ?? Example 1/48th for a wide angle shot and 1/100th for a 100mm equivalent ??
4:16 i just put my Arri Master Prime onto my FX6, now both of them stopped working at any shutter speed :(
I did not know shutter angle was even a thing..lol, though watched so many tutorials 😊
All this time, I didn't know changing the frame rate had no effect on my shutter angle/motion blur. So I will always switch to shutter speed to ensure I have consistent motion blur by "doing the math". Though I don't consider it calculating anything. We all know what 60x2=s by memory. XD
There should be a better narrative middle ground or some context that In Depth Cine can strike when claiming that solving a division/multiplication problem expected of many rich and middle-income 4th graders is too complex for accomplished cinematographers/directors.
The answer is that they have a lot of social power and there is good use in things responding to one's habituated/cultured intuition, that means they have the ability to place the onus of their mental laziness on someone else (arri in this case).
And I agree with some comments, like Surya Teja, that shutter speed provides a more useful term especially when dealing with lights connected to AC power sources and plenty of other similar factors that come up in real life.
Shooting on DSLRs with shutter speed is like doing advanced math homework while pro cinematographers with shutter angle are just breezing through recess! 😂
👍
What film is being shown when he starts talking about 180° results? The scene that looks like an office sometime between 1950 and 1980.
The French Dispatch.
How to get that blurry Drunk Effect in camera like in the temptations movie
Can someone please help me understand how a shutter angle of 172.8 prevents flickering with 50 Hz frequency and in other occasions?
Nice channel about China & white snakes, like that. Very useful & helpful.
how did u forget wong kar wai when you are talking about shutterspeed and frames
This is legacy terminology and, it's confusing it's a relic of bygone era of mechanical cameras.
We need a new system, that holds itself together and makes sense in decimal metric / sec system.
considering the title of the video i expected more examples in movies
What is the title of the movie with the funny scene where the guy on the motorcycle dives into the metro?
It’s the French Dispatch from 2021
@@DmitryPetrov-rf6hq O right, that explains it. I haven't seen this movie yet. Thanks for the information. 👌
So there's no special button for shutter angle. It's just shutter speeds relativity to frame rate correct?
what happen to the footage, when you ignore the rule of frame rate * 2 = shutter speed?