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A Doh! Moment  
User currently offlineckw From UK - England, joined Aug 2010, 813 posts, RR: 12
Posted (2 years 11 months 6 days 6 hours ago) and read 2728 times:

Just looking at some pics from a recent shoot, and was disturbed to discover that a surprising number were a little out of focus.

Further checking revealed that they were all with the same lens - but shots with other lenses were fine. Damn, problem with the lens ... which was working fine last time I used it.

Then I thought maybe it needs re-calibrating with micro-focus adjustment. That's when I discovered my previously stored adjustments had disappeared (the lens in question required -10).

The explanation was simple - I'd had the body serviced, and clearly Canon had reset everything to factory defaults. Now while I picked up on the obvious often used settings, I'd completely forgot about the micro adjust - its not like you use it everyday.

Anyway, just a heads up which may save someone else some head scratching!



Colin K. Work, Pixstel
3 replies: All unread, jump to last
User currently offlinehrtsfldhomeboy From Djibouti, joined Oct 2007, 91 posts, RR: 1
Reply 1, posted (2 years 11 months 10 hours ago) and read 2353 times:

How does one make micro-focus adjustments to their lens?

User currently offlinepetertenthije From Netherlands, joined Jul 2001, 3559 posts, RR: 10
Reply 2, posted (2 years 11 months 6 hours ago) and read 2311 times:

To take the Canon 7D as an example:

1) open the menu and go to C.Fn III: Autofocus / Drive
2) Select option 5 AF Microadjustment
3) Select desired option (disable / adjust all by same amount / adjust by lense)
4) Select INFO to change the settings for the specific lense attached to your body.
5) Change the calibration, shoot a photo (preferrably of a calibration chart), check result.
6) Repeat step five until you're happy with the photos you get.

This should be done for every lense.

The first time I had this done by a professional, but since then I have done it myself. It's really simple and the results can be amazin.

User currently offlineckw From UK - England, joined Aug 2010, 813 posts, RR: 12
Reply 3, posted (2 years 10 months 4 weeks 1 day 20 hours ago) and read 2271 times:

Quoting hrtsfldhomeboy (Reply 1):

How does one make micro-focus adjustments to their lens?

Peter gives a good explanation but do note that not all cameras support micro adjustment.



Colin K. Work, Pixstel
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