highdesertmesa wrote:
Landscape shooters typically use base ISO + ES to minimize all vibrations, even those from the rear curtain of EFCS
I don't completely understand the shutter shock from EFCS. I presume that those people who are shooting at base ISO on a tripod to minimize vibration also shoot (or can shoot) in single frame mode. I realize that at 12fps the shock from the previous exposure can shake the next one, but with an arbitrary gap to the previous exposure this should not be an issue. Why is it?
stanj wrote:
I don't completely understand the shutter shock from EFCS. I presume that those people who are shooting at base ISO on a tripod to minimize vibration also shoot (or can shoot) in single frame mode. I realize that at 12fps the shock from the previous exposure can shake the next one, but with an arbitrary gap to the previous exposure this should not be an issue. Why is it?
I shoot handheld, so I relied on ES quite a bit for landscape before the R5. Shooting the R, I used to get sharper results with ES versus EFCS handheld. But it's possible the R rear curtain was not as dampened as the R5.
On a tripod, I don't know. You can secure the camera rock solid, but movement inside the camera body cannot be completely eliminated without ES.
Probably 90-95% of image-affecting vibration is eliminated by using EFCS over MS.
It's just strange to have it completely removed as an option for getting the full DR out of the camera at base ISO.
highdesertmesa wrote:
I shoot handheld, so I relied on ES quite a bit for landscape before the R5. Shooting the R, I used to get sharper results with ES versus EFCS handheld. But it's possible the R rear curtain was not as dampened as the R5.
Interesting. Intuition would say that _in single frame mode_ it should be the same, the only variable being your hand shake (which should be nil on a tripod). If you shoot in continuous mode then of course it's different, but most landscapes don't require continuous mode. I never shot ES on my R because it caused major jello, and on my R5 I use ES but usually at such an ISO that the bit depth is irrelevant (800 and way above).
In good light even with my 200-600 f/6.3 I am often less than ISO 400, with a 500 f/4 wide open, ISO 100 is not uncommon even at 1/2500s. For white birds in contrasty light DR is very important.
It's not a deal breaker as one can still use mechanical shutter on the R5/R6 at those lower ISOs, but R3 should not suffer this same issue given it's flagship status.
If you had a 100" Retina display and were doing a showing. Where people were walking right up to the display. Then I think all of this would matter but only slightly.
