I hate to ask, but is it the camera? I know, I know... sigh.

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reinocruz

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Sep 14, 2020
Hey all, using an A7ii, and love for the most part. Currently, a Sony FE 70-200 F4 G OSS sits on the body. When I shoot, say, a bridge, stationary items come put pretty sharp in the viewfinder, and later in Lightroom as well. But... Any movement.. even a vulture sitting really still, and AF just doesn't get it sharp when I zoom in. Ive tried a variance of aperture settings, shutter speeds, DOF, etc.
In manual focus, it will view as sharp in VF, then when I zoom in to the image, its just not what I'm hoping for. Here's a recent sample. I'd love to max out this camera to learn more before trading up, and I want to avoid being that guy, saying its the camera. But... what am I missing? Thanks!

(FYI, AF was set to 3rd vulture from top, the one walking towards camera, F6.3, 197mm, 1/320, ISO 100)



DSC03705.jpg
  • ILCE-7M2
  • FE 70-200mm F4 G OSS
  • 197.0 mm
  • ƒ/6.3
  • 1/320 sec
  • ISO 100
 

Timothy Mayo

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Are you using AF-C, AF-S or Manual Focus? AF-C will be best for moving subject even if they are only moving a little. 1/320sec might also be a little on the slow side for vultures unless they are perfectly still which is rarely the case as the wind will also be blowing their feathers around. I'd try with AF-C and 1/1000sec or higher and then see what the shots look like.
 
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Kevriano

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Definitely a combination of things, as Tim said, Shutter Speed is too low IMO, especially for anything at distance. I can shoot very low if it's close and static, but I wouldn't drop below 1/1000th at distance. Also, f6.3 is too shallow at distance, you get compression of perspective at range, f8 or 10 would help. Finally, I would definitely recommend using centre point focus for anything other than flight shots. By far the most accurate.
 
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reinocruz

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Sep 14, 2020
Are you using AF-C, AF-S or Manual Focus? AF-C will be best for moving subject even if they are only moving a little. 1/320sec might also be a little on the slow side for vultures unless they are perfectly still which is rarely the case as the wind will also be blowing their feathers around. I'd try with AF-C and 1/1000sec or higher and then see what the shots look like.
This was manual, but I was switching back & forth to AF-C as well, similar issue. Ramping up the shutter. Appreciate the glance & feedback!
 

reinocruz

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Sep 14, 2020
Definitely a combination of things, as Tim said, Shutter Speed is too low IMO, especially for anything at distance. I can shoot very low if it's close and static, but I wouldn't drop below 1/1000th at distance. Also, f6.3 is too shallow at distance, you get compression of perspective at range, f8 or 10 would help. Finally, I would definitely recommend using centre point focus for anything other than flight shots. By far the most accurate.
Great, thx for the input. Upping shutter speed, and I thought I had attempted some at slimmer aperture, but I see now I hadn't.. I've used mostly center point, but am also trying to develop comfort with Flex Spot L.
 

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