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New firmware with manual movie mode

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Manual aperture control on the 5DMk2 is very easy to implement and was deliberately disabled by Canon.

It is a marketing decision not to give manual aperture control but because competitors like Nikon is announcing this possibilty with their own cameras Canon might be force to implement it.

All that is needed is for the firmware to disable AF electronics for the lens which isnt difficult.

Right now if you want manual control you can invest in lens without AF ablity such as Nikon lens with a Canon mount. This also worried Canon because some of the best videos made with the 5DMk2 are with Nikon lens due to manual aperture control and fear they may be losing lens and eventually crossing over to their competitors.
 
Yeah, to prevent the complaints from louts that don't realize that they CANNOT shoot at f/1.4, or f/2.8, or even f/4.0 outdoors in the sunlight with the very limited rolling shutter speeds afforded by the 5D2. (Think of the "sunny 16" ROT, and you'll quickly come to the conclusion that you're gonna need a stack of ND filters to accomplish that shallow DOF look.)
KP
--



http://www.ahomls.com/photo.htm
http://www.phillipsphotographer.com

'The urge to save humanity is always a false front for the urge to rule it.', H. L. Mencken
 
Ken Phillips said:
Yeah, to prevent the complaints from louts that don't realize that
they CANNOT shoot at f/1.4, or f/2.8, or even f/4.0 outdoors in the
sunlight with the very limited rolling shutter speeds afforded by the
5D2. (Think of the "sunny 16" ROT, and you'll quickly come to the
conclusion that you're gonna need a stack of ND filters to accomplish
that shallow DOF look.)
KP
Click to expand...
I agree, if someone wants to shoot shallow dof in daylight they need to get a proper HD video camera with the ability to choose 1/10000 shutter speed.

Imagine the vignetting if you stack 3 or 4 ND's on a 24mm lens. [suitable smiley req'd]

--
It's an L of a life, this photography lark

http://www.freelancephotographic.net/
 
A lot of the pro HD cams have built in ND filters and the DP will usually stack more to get the DOF required in daylight. Unlike still photography you don't want your shutter speed to vary between takes (unless you're trying to create a specific effect). That's one of the other complaints with 5D manual control is that you can't maintain consistent shutter speed between takes.
--
Scott
 
because the camera changes ISO first than shutter and finally aperture. Besides, everyone probably uses ND filters anyway.
 
who shoots real movies at 1/1000th? That would totally change the look. For specal moods or slow-mo/fast-mo maybe, but not as a regular thing....
Gordon S Walker said:
Ken Phillips said:
Yeah, to prevent the complaints from louts that don't realize that
they CANNOT shoot at f/1.4, or f/2.8, or even f/4.0 outdoors in the
sunlight with the very limited rolling shutter speeds afforded by the
5D2. (Think of the "sunny 16" ROT, and you'll quickly come to the
conclusion that you're gonna need a stack of ND filters to accomplish
that shallow DOF look.)
KP
Click to expand...
I agree, if someone wants to shoot shallow dof in daylight they need
to get a proper HD video camera with the ability to choose 1/10000
shutter speed.
Imagine the vignetting if you stack 3 or 4 ND's on a 24mm lens.
[suitable smiley req'd]

--
It's an L of a life, this photography lark

http://www.freelancephotographic.net/
Click to expand...
 
BadtzMaru said:
you obviously have the code and can compile with the proper changed
bits, so why haven't you?
Click to expand...
It's obvious that he meant that it would be, or at least should be easy for Canon to implement manual focus in the 5D2 video. If it's not easy for Canon, maybe they should ask someone else how to do it.
 
Why is everyone keeps talking about shutter speed for the movie mode?

In digital Video there is not shutter speed control.

All you have to control the exposure is the aperture and the gain.
The frame-rate is usually constant at let say 30fps or 24fps or 29.97 etc...

If you refer to shutter on film movie camera, then again this shutter speed is a constant base on the same fps as above.

If we translate this to the 5dD MKII, we need to have control over the aperture and control over the ISO (gain) and that's it...
Leave the shutter speed outside of the equation.

Having this said, if you are outside in bright sun with a 85 f1.2 wide open and you ISO is at 50 and this is still too bright, like with real video camera you only option is to use some kind of ND filter to reduce the amount of light coming in.

Shutter speed is only for still.

And yes I would love to have manual Aperture and ISO control on my 5DMK II

For now I set the aperture in A mode turn the lens a little bit to deactivate the iris and use a bright source to set the ISO as desired... = pain...

--
Paul Pelletier
http://www.paul-pelletier.com
http://www.pbase.com/paulpelletier

“As Ansel Adams was often quoted as saying – there's nothing worse than a sharp picture of a fuzzy concept”
 
Paul Pelletier2 said:
Why is everyone keeps talking about shutter speed for the movie mode?
Click to expand...
There are many good reasons, and here's one example:

1) Let's assume I shoot video in a 50 Hz AC country (Europe), during the night, in fluorescent light.

2) Regardless of whether my frame rate is 30, 24, 25 or 29.97 Hz, I would always want my shutter speed to be either 1/50s or 1/100s (theoretically also 1/25s would do). If the shutter speed is anything else, fluorescent lights will cause visible flicker.

Another reason for shutter speed selection is special effects, i.e. "Saving Private Ryan" -style shooting, where jerky movement is achieved by using very fast shutter speeds, e.g. 1/250s or faster.
Paul Pelletier2 said:
In digital Video there is not shutter speed control.
Click to expand...
There should be. And to some extent, there is. In many consumer cameras "sport" mode uses faster shutter speeds, which makes for extremely sharp stills but somewhat jerky movement. See "Private Ryan" above.
Paul Pelletier2 said:
If we translate this to the 5dD MKII, we need to have control over
the aperture and control over the ISO (gain) and that's it...
Leave the shutter speed outside of the equation.
Click to expand...
No, it needs to be there. Otherwise most if not all artificial light videos
will flicker.
Paul Pelletier2 said:
Shutter speed is only for still.
Click to expand...
See above.

Kind regards,
  • Henrik
--
And if a million more agree there ain't no great society
My obligatory gallery: http://www.iki.fi/leopold/Photo/Galleria/
 
I for one am confused by the talk of shutter speeds in video mode.

Surely what we are talking about here is really frequency of sensor readout and not actuation of the physical shutter used to control exposure in still shooting?

I would think that if the physical shutter were to be involved in video capture it would rapidly exceed its rated actuations!

Fred
 
The blending of images occurs automatically; we do not see 30 pictures in series, we see objects in motion. The slight 'persistence of vision' from the eye/brain system trumps any slow-shutter "motion blur'; in fact, it creates blur where none exists.

Yes, minor effects can be seen, when they are pointed out and you know to look for them. But in the real world the CONTENT is all that matters.

BTW, I used to shoot 16mm B&W "talkies", a few decades ago. (I sold my last 16mm camera to the nephew of a big-name director.) I can tell you that the one thing I DO notice is the effect of that rolling-shutter. This, too, can be mitigated, but a really fast global shutter would be the thing to have in your DSLR. Great for stills and movies, with a totally silent "golf" stills mode possible!!
KP

--



http://www.ahomls.com/photo.htm
http://www.phillipsphotographer.com

'The urge to save humanity is always a false front for the urge to rule it.', H. L. Mencken
 
Ken Phillips said:
The blending of images occurs automatically; we do not see 30
pictures in series, we see objects in motion. The slight 'persistence
of vision' from the eye/brain system trumps any slow-shutter "motion
blur'; in fact, it creates blur where none exists.
Yes, minor effects can be seen, when they are pointed out and you
know to look for them. But in the real world the CONTENT is all that
matters.
Click to expand...
The effect of shutter speed in motion picture photography is important and significant. Yes, you will usually only become consciously aware of these effects when you look for them, but this does not mean they are not apparent.

Motion picture cameras have a rotating mirrored shutter. The blades in this shutter can be adjusted to have a larger or smaller opening to control expose time along with the crank speed. Longer exposures create motion blur in each frame. When the brain interprets these images in sequence the motion appears smoother than if each frame was perfectly sharp. Short exposure times create crisp frames, which create a staccato type motion when played in sequence.

Persistence of vision creates the illusion of motion, but it does not add motion blur. With shorter exposure times you perceive more detail in the image as each frame is exceptionally sharp.

Filmmakers make choices with shutter speed to achieve an effect. Spielberg did not use this in 'Saving Private Ryan' so you would consciously notice it but so it would have an unconscious effect on you as you observed the content of the film.

If content is all that matters, then just use the cheapest automatic camera you can for all purposes. Is this what you do in your stills photography?
 
Ken Phillips said:
1/1000th ain't the same as 1000 fps! What is gonna change about the
"look"? Describe it for me ... tell me how it makes a diff at 30
frames per second.
Click to expand...
A lot changes about the look, you get a totally different blurring of motion.

Have you ever seen the replays for the super-frame rate baseball videocams when they then go and playback at realtime, it looks really different from the normal coverage. It actually looks LESS smooth. at least to me, quite noticeably so.

If some hollywood film was shot with the shutter going at 1/1000th or 1/48th say they movie would actually have a noticebaly different look. The first one would seem like all sort of staccato choppy in a sense.

Part of what makes a movie look like a movie is the 24fps, but part is the shutter speed they lock it at.
 
Luke H said:
Motion picture cameras have a rotating mirrored shutter. The blades
in this shutter can be adjusted to have a larger or smaller opening
to control expose time along with the crank speed. Longer exposures
create motion blur in each frame. When the brain interprets these
images in sequence the motion appears smoother than if each frame was
perfectly sharp. Short exposure times create crisp frames, which
create a staccato type motion when played in sequence.
Click to expand...
Nice, concise summary, Luke.
 
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