Bullseye Artifact on Long Exposures
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By mirrorlessNY(youtuber)Hi, wonder if anyone is familiar with this, A7Riii has 42mp sensor while A7iii is 24mp, what effect does pixel size have on low light video, besides the obvious max ISO limit, thank you
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By SFBobI'm a new A7R iv owner and been playing around with bracketed HDR using long exposure times on my tripod mounted camera. Ive attached a shot I took yesterday (edited with Aurora HDR). I originally tried to shoot this at an aperture of f 11 with an iso of 100, but the exposure time would have been > 30 sec (which is the slowest exposure time offered in the setting for keeping the iso at 100). Only at f 4 could I get the slowest bracketed exposure time to be less than 30 sec. I did constrain the iso to be 100, but is there some limit on exposure length that I am not aware of? Arguably, I'd like the camera to take all the time it needs to shoot the image at the chosen aperture and chosen iso setting. I'm sure I've done something wrong in the setup, but I'm not sure what!
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By Dave Newman · Posted
Good morning all, switched over from Nikon a week ago, i have AEON set to zone and my joy stick set to flexi tracking spot (im happy with all these) my issue is here, hope someone can help. after watching Mark Galer video about setting the AEL button to BIF (birds in flight), i have done this, however, i cant for whatever reason get the focus point set to WIDE. No matter what i try it keeps mirroring my AEON button which is set to zone. im shooting with the A9 / 200-600 lens -
Given the other gear in your arsenal you'll surely be disappointed. The non-LE version supposedly is a bit better but also more bulky. If you don't want so swap lenses and want a versatile zoom range, I think you'll be better off getting an RX10IV. -
Personally, I've always avoided making changes to a memory card from the computer. The "unable to display" error is minor. I always worry something worse might happen. I always format the card in camera after copying files onto my computers. The name sequence restart is inconvenient, but there are ways to minimize it. After import to your files to the computer, batch rename them. Another post mentioned app for this. If you are using a Mac, that feature is built in to the OS. Just selec -
Lately, I’ve been doing a lot of shooting at the beach. I don’t dare take the A7RIV. I also don’t dare change lenses at the beach. I’ve been using the Sony 70-350 mm for shooting seagulls. But, 70 mm is too long for other beach photos and as I said, I don’t dare change lenses at the beach. I have the Sony 18-135 mm, but 135 is too short. So, I’m thinking the Sony 18-200 mm LE lens. I’ve seen mixed reviews on that lens. Any Opinions? John
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