I just checked BH return policy. I had thought they wouldn't accept returns dater more than 100 shots have been taken on it. Personally, I haven't decided yet. I am not seeing problems as bad as some, but I have no doubt it is there lurking. I'll carefully review my images this coming weeks.
bjornthun wrote:
The fact is that all cameras with only a mechanical focal plane shutter will have this vibration issue to some extent, even when using MLU. The tiny but fast moving mass of the shutter curtain is enough, and all usual techniques like sturdy tripods etc. apply. So electronic first curtain is the real development here. Let's hope that Nikon (and Canon if they don't already have it) include this feature in their upcoming cameras.
The issue isn't new at all but I think it has emerged more clearly with the high megapixel count cameras and the different feature sets of the A7 and A7R....Show more →
Regards Canon - they have had it in order since 2006, assuming user knows to setup camera correctly. I have shoot tripod (live view) and handheld (live view+LCDVF) since 2008 with Canon 5DmkII without mechanical shutter vibrating the camera.
Even on 5DmkII large and heavy body it makes difference; when shooting panorama with panorama head and Leica APO-Elmarit 180 there was vibration visible when I used mirror lockup, but none when Live View is used. The A7, with EFC turned off, has about 3-5x effect compared to 5DmkII (mirror lockup and mechanical shutter used).
With EFC camera there is even no need to tighten all the joints of panohead or use large tripod. Even for example 5DmkII+Zeiss 2/135+LCDVF looks ridiculous on top of Gitzo Traveler (with very small ballhead) it gives best possible results since electrons moving don't create forces, which would shock camera. However in practice I prefer larger tripod, just to get it higher and to be more rigid in wind.
What about the negatives of having EC? I'm assuming it causes problems with the A7 since Sony gives you the option to turn it off. Has anyone here observed issues with having EC on?
rishio media wrote:
What about the negatives of having EC? I'm assuming it causes problems with the A7 since Sony gives you the option to turn it off. Has anyone here observed issues with having EC on?
It causes ghosting and uneven exposure at high shutter speeds. See this example.
Someone on dpreview came up with an interesting theory. Apparently Sony doesn't allow OSS to enabled on certain E-Mount lenses when used with the A7r. He theorizes this is because Sony was aware of an problem with these lenses on the A7r, either a compatibility issue and/or an issue with the A7r's shutter vibration interacting with their OSS. The proof would be whether Sony enables OSS for these same lenses on the A7. So far it's been confirmed that OSS is disabled on the 18-55mm kit lens and 55-210mm for the A7r. If anyone with an A7 has these lenses can you please try them on your A7 and see if the SteadyShot option is enabled on your camera and that it works?
Joe Holmes and Mike Schultz have been using a metal weight (stainless steel for Joe, bronze for Mike) which works to dampen the vibration so there is no image deterioration from the shutter. Their solution is discussed in more detail on Diglloyd and also on Sony Alpha Rumors. Lloyd Chambers says Sony PR told him Sony is aware of the issue in Tokyo and is investigating the issue.
Bill Hollinger wrote:
Joe Holmes and Mike Schultz have been using a metal weight (stainless steel for Joe, bronze for Mike) which works to dampen the vibration so there is no image deterioration from the shutter. Their solution is discussed in more detail on Diglloyd and also on Sony Alpha Rumors. Lloyd Chambers says Sony PR told him Sony is aware of the issue in Tokyo and is investigating the issue.
So, in order to have this small and light camera work properly you have to take a few pounds of stainless steel with you.
wiseguy010 wrote:
So, in order to have this small and light camera work properly you have to take a few pounds of stainless steel with you.
That's real progress.
No, We should be able to find something that we would normally carry to act as the weight for the camera. It should not add weight to our equipment/pack.
naturephoto1 wrote:
No, We should be able to find something that we would normally carry to act as the weight for the camera. It should not add weight to our equipment/pack.
Rich
Have you guys actually tried pushing down on the camera with your hand like we used to do with the 400 mm lenses all time?
Bill Hollinger wrote:
Joe Holmes and Mike Schultz have been using a metal weight (stainless steel for Joe, bronze for Mike) which works to dampen the vibration so there is no image deterioration from the shutter. Their solution is discussed in more detail on Diglloyd and also on Sony Alpha Rumors. Lloyd Chambers says Sony PR told him Sony is aware of the issue in Tokyo and is investigating the issue.
Wouldn't the camera grip + 2 batteries do the job as far as extra weight? They would add around 13oz extra weight to the camera body.
Fred Miranda wrote:
Wouldn't the camera grip + 2 batteries do the job as far as extra weight? They would add around 13oz extra weight to the camera body.
This extra weight solution being tossed about is complete rubbish.
I've been working on a solution and all that's needed is a single bolt into the base plate to prevent the vibration.
MaxBerlin wrote:
This extra weight solution being tossed about is complete rubbish.
I've been working on a solution and all that's needed is a single bolt into the base plate to prevent the vibration. http://flic.kr/p/iwPnDh
A little ingenuity is all it takes.
I just tried an experiment similar to the one documented by Joseph Holmes on SAR. Instead of weighting the camera on the bottom I instead mounted a Yongnuo YN-560 II flash with 4 AA batteries to the hotshoe, which adds exactly 1 pound according to my mail scale. I then repeated the Canon 35mm f/2 IS experiment I previously did here.
snapsy wrote:
I just tried an experiment similar to the one documented by Joseph Holmes on SAR. Instead of weighting the camera on the bottom I instead mounted a Yongnuo YN-560 II flash with 4 AA batteries to the hotshoe, which adds exactly 1 pound according to my mail scale. I then repeated the Canon 35mm f/2 IS experiment I previously did here.
I believe Joseph said he couldn't reproduce it at 85mm or lower. Also, to really test this, you must test this on a tripod to remove motion blur as a variable. Why did you test with a 35mm?
sflxn wrote:
I believe Joseph said he couldn't reproduce it at 85mm or lower. Also, to really test this, you must test this on a tripod to remove motion blur as a variable. Why did you test with a 35mm?
This is a different manifestation of the shutter vibration problem. Unlike the typical tripod-mounted case that Joseph documented, this problem occurs only for hand-held use with an adapted Canon lens when lens image stabilization is enabled. The shutter vibration is apparently reaching the lenses' IS mechanism, which then tries to counteract it as if it were human motion but because the timing from the vibration->exposure is so quick the IS is still in transition when the exposure begins, resulting in a signature IS blur for every photo when the shutter speed is between 1/40 and 1/200. It appears to only occur on the lighter Canon lenses.
snapsy wrote:
This is a different manifestation of the shutter vibration problem. Unlike the typical tripod-mounted case that Joseph documented, this problem occurs only for hand-held use with an adapted Canon lens when lens image stabilization is enabled. The shutter vibration is apparently reaching the lenses' IS mechanism, which then tries to counteract it as if it were human motion but because the timing from the vibration->exposure is so quick the IS is still in transition when the exposure begins, resulting in a signature IS blur for every photo when the shutter speed is between 1/40 and 1/200. It appears to only occur on the lighter Canon lenses....Show more →
I see. If you read any of the m43 shutter shock threads, a lot of people speculate that the IBIS interacts with the shutter vibration and magnifies it too.
