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A700 focus adjustment
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BrianSayler View Drop Down
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Joined: 11 February 2007
Country: United States
Location: United States
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Posts: 87 		Post Options Post Options   Quote BrianSayler Quote  Post ReplyReply Direct Link To This Post Topic: A700 focus adjustment
    Posted: 29 October 2022 at 23:52
Is there anyone around who can service/adjust the A700 autofocus system? Mine had the backfocus problem from the factory and I tried to fix it myself, but it has never been right.
DiMage Z6, 3600HSD A77ii+VG, A700+VG, A100, 18-200, 11-17, 50 f/1.4, 85 f/2.8, HVL-F20AM, HVL-F42 AM, HVL-RLAM, Sigma 135-400,
 



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LAbernethy View Drop Down
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Joined: 25 November 2015
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Posts: 3018 		Post Options Post Options   Quote LAbernethy Quote  Post ReplyReply Direct Link To This Post Posted: 30 October 2022 at 01:55
As far as I know there is no focus adjust on the A700. If you're familiar with how much it's out, use the focus hold button and recompose.
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neilt3 View Drop Down
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Joined: 13 September 2010
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Posts: 3092 		Post Options Post Options   Quote neilt3 Quote  Post ReplyReply Direct Link To This Post Posted: 30 October 2022 at 08:34
If it's consistent with all your lenses , then adjusting the three screws underneath to adjust the AF module should work .
The trick is is to adjust them very slowly and keep checking with a test shot at several distances to monitor progress.
Plus making sure each are adjusted equally to maintain the correct field of focus .
Get one slightly out and one side of the frame will be in focus and the other not .

Any camera repair shop should be able to perform this , they'll only probably be able to adjust the hardware side of things , whereas if you'd sent it back to Sony they might have been able to calibrate it with software to a particular lens .
I don't know if Sony would still do service work on such an old camera .
see my photostream on flickr;
http://www.flickr.com/photos/neilt3/
C & C welcome.
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