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Thursday, December 13, 2007
Red’s Rolling Shutter and Flash Strobes
Matt Jeppsen | 12/13
Limitations to know and avoid when shooting with the Red One
The Red Digital Cinema camera uses a CMOS sensor with a rolling shutter. One of the criticisms of the camera is the fact it is subject to rolling shutter artifacts in some situations. Now, I should note that I am not bashing Red…to be clear, every camera has limitations. Even film cameras can exhibit shutter-related artifacts. The important thing is to arm yourself with knowledge, so you know how to avoid situations which will stress the equipment you are using.
To that end, here is a little background info on Red’s rolling shutter: Understanding Rolling Shutter Artifacts.
That link talks about the design of the shutter and how it operates. It also offers a few suggestions for minimizing the effect. And if you’ve never seen the effect, here’s a video that shows the split-screen-strobe issue pretty clearly. More discussion at Reduser.
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Art Adams | 01/28
Sometimes all it takes to make a beautiful picture is placing one light—as long as it’s the proper light source. This still photo shows an example of one style of soft lighting that’s been in use for centuries, and for good reason: it works.
There are few things more elegant than lighting a shot with a single light source. It doesn’t always work, but when it does—it’s magical.
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The Sony Tech Guy | 08/19
Reducing CMOS Jello-cam.
With much respect to the fine people at Kraft Foods, purveyors of Jello® brand gelatin desert, there is another Jello that we’re not fond of: the Jello-cam of some CMOS…
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The Sony Tech Guy | 07/21
When Sony can’t break the laws of physics, we bend them.
Physics can be a harsh taskmaster. It constantly forces image sensor designers to walk the line between high resolution (which requires smaller photosites for a given imager size) and high sensitivity,…
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Art Adams | 01/28
Sometimes all it takes to make a beautiful picture is placing one light—as long as it’s the proper light source. This still photo shows an example of one style of soft lighting that’s been in use for centuries, and for good reason: it works.
There are few things more elegant than lighting a shot with a single light source. It doesn’t always work, but when it does—it’s magical.
|
The Sony Tech Guy | 08/19
Reducing CMOS Jello-cam.
With much respect to the fine people at Kraft Foods, purveyors of Jello® brand gelatin desert, there is another Jello that we’re not fond of: the Jello-cam of some CMOS…
|
The Sony Tech Guy | 07/21
When Sony can’t break the laws of physics, we bend them.
Physics can be a harsh taskmaster. It constantly forces image sensor designers to walk the line between high resolution (which requires smaller photosites for a given imager size) and high sensitivity,…
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The Sony Tech Guy | 05/20
Resting on laurels is not in the playbook
Ordinarily, it’s hard to see the connection between stuff that directors of photography might be expected to care about (exposure latitude, highlight handling, low-light…
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