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A7R mk 3 autofocus voes

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arj View Drop Down
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Joined: 06 April 2010
Country: Slovakia
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Posts: 359 		Post Options Post Options   Quote arj Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2022 at 03:16
Wait a minute! So you are telling me the A7 series does not keep the lens aperture wide open until I press the shutter but it sets the aperture to my preset aperture and keeps it there until I change it?

That makes no sense to me.
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QuietOC View Drop Down
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Posts: 3515 		Post Options Post Options   Quote QuietOC Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2022 at 04:25
There are many advantages to keeping the aperture stopped down. It eliminates the lag required for closing the aperture before the exposure begins. It allows full-time preview of the depth-of-field. It avoid focus errors due to focus shift with aperture change--I really wish that was an option for A-mount lenses.

The most recent Sony E-mount lenses support a new Aperture Drive in AF option with the most recent camera bodies.

Standard:
Uses the standard aperture drive system.

Focus Priority:
Changes the aperture drive system to prioritize auto-focusing performance. During continuous shooting using the electronic shutter, the [Focus Priority] setting allows you to continuously adjust the focus with an F-value greater than F11.

Silent Priority :
Changes the aperture drive system to prioritize silence so that the sound from the aperture drive is quieter than in [Standard].

Also setting the Live View Setting Effect Off allows some E-mount cameras to open the aperture to focus.

Edited by QuietOC - 31 March 2022 at 04:30
Sony A7RIV NEX-5T HVL-F45RM LA-EA5 Metabones-IV Sigma MC-11 Yongnuo EF-E II TLT ROKR MD-NEX KR-NEX DA-NEX
Minolta Maxxum 600si
Pentax Q7 5-15 15-45/2.8 8.5/1.9 11.5/9 AF-P/Q
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addy landzaat View Drop Down
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Posts: 12961 		Post Options Post Options   Quote addy landzaat Quote  Post ReplyReply Direct Link To This Post Posted: 31 March 2022 at 06:13
Originally posted by arj arj wrote:

Wait a minute! So you are telling me the A7 series does not keep the lens aperture wide open until I press the shutter but it sets the aperture to my preset aperture and keeps it there until I change it?

That makes no sense to me.
Why doesn't it make sense to you? It simply is a different way of doing things. It has some benefits and some downsides - like all things.
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