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Archive 2015 · What causes this? (silent mode Sony A7R II)

  
 
cputeq
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p.2 #1 · What causes this? (silent mode Sony A7R II)


Beni wrote:
Does this not mean that you would be unable to freeze movement using the silent shutter for anything moving faster than the readout from the sensor?


You can freeze some movement but you're going to get a slanted (offset) image, depending on the relative speed of the movement.



Aug 25, 2015 at 02:35 PM
zlatko
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p.2 #2 · What causes this? (silent mode Sony A7R II)


johnvanr wrote:
Shot at 1/400, but so was the picture in normal mode. So, the difference is between the normal mode and the silent mode.


If you use silent shutter at 1/60th or slower, you will likely not see this problem.

mogul wrote:
That problem is one thing Canon got right with its anti-flicker mode.


Canon has an anti-flicker feature on the 7D2, 5DS and 5DSr, and it works even at high shutter speeds so one can photograph sports in this kind of light. Canon gets bashed for alleged lack of innovation, but in fact they have some cool problem-solving innovations like the anti-flicker mode.



Aug 26, 2015 at 01:45 AM
sflxn
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p.2 #3 · What causes this? (silent mode Sony A7R II)


Beni wrote:
Does this not mean that you would be unable to freeze movement using the silent shutter for anything moving faster than the readout from the sensor?


Yes, it means you cannot freeze movement faster than the line readout without some problem. It's up to you to decide whether you can live with the problems or not. E-shutters right now are good for static scenes and scenes without fast movement. You also need to take care of what artificial lights are in the scene. In general, I would not use it in low light. I would only use the silent shutter in natural light. I am not sure how fast the line read out of this new sensor is. I don't have this camera, but I've heard the regular shutter on youtube, and it's pretty quiet. Why not just use the regular shutter?



Aug 26, 2015 at 10:58 AM
Beni
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p.2 #4 · What causes this? (silent mode Sony A7R II)


I'm still trying to work this out, would it show hand shake? I can't handhold sub 1/100 with 42 megapixels on almost any lens to be honest. That could be a real issue for me.


Aug 26, 2015 at 11:07 AM
zlatko
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p.2 #5 · What causes this? (silent mode Sony A7R II)


Beni wrote:
I'm still trying to work this out, would it show hand shake? I can't handhold sub 1/100 with 42 megapixels on almost any lens to be honest. That could be a real issue for me.


You get the same degree of hand shake whether you're shooting 4 megapixels or 42 megapixels. The camera moves the same amount. So when viewed at the same size, the blur from hand shake is the same. Unless you're printing bigger, more megapixels don't show more hand shake. But what is different typically is the viewing size. If you view them both at 100%, the 42 mp image is enlarged much more than the 4 mp image, thus magnifying any hand shake.



Aug 26, 2015 at 11:21 AM
Beni
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p.2 #6 · What causes this? (silent mode Sony A7R II)


and your point is? Who buys more megapixels if not to use them?


Aug 26, 2015 at 01:39 PM
zlatko
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p.2 #7 · What causes this? (silent mode Sony A7R II)


Beni wrote:
and your point is? Who buys more megapixels if not to use them?


The point was about that the degree of camera shake is the same, regardless of the number of megapixels. Besides, photographers generally don't start printing bigger once they have a camera with more megapixels (though some do, of course). Wall space remains the same, photo albums remain the same, etc.



Aug 26, 2015 at 08:31 PM
atwl77
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p.2 #8 · What causes this? (silent mode Sony A7R II)


Beni wrote:
I'm still trying to work this out, would it show hand shake?


I remember at least two posts on DPReview showing the effects of movement with e-shutter, and the pictures came out rather funky.

I did a search and found this one:
http://www.dpreview.com/forums/post/55706044

Can't find another one, but I do remember there was one where a (Fuji or m43?) user using an f/1.2 lens also getting similar squashed images shooting stills (IIRC they were vintage cars at some outdoor car show).



Aug 26, 2015 at 08:51 PM
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