Question About K5 AF Adjustment

Started Mar 31, 2013 | Discussions thread
miles green
miles green Veteran Member • Posts: 6,309
Re: Question About K5 AF Adjustment

First, make sure you have the latest firmware installed, the last version (1.1.14?) has significant AF improvements which also affect AF micro-adjustments.

To test, I take an old newspaper and lay it flat, and shoot it with the camera at an angle of about 30 degrees. To make sure i'm focusing at the same point, i tear a small section and fold it vertically, so that it's parallel to the film plane. Do this in daylight, without using artificial light.

When you're in focus, the text on your "AF" target is sharp, and so is the text at the foot of the target. It's much easier to see if you're back-focused or front focused, as the sharp lines of text will show a little in front or behind your target.

Don't forget, firmware first!

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Miles Green
Pentaxian with chronic LBA
Corfu, Greece

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Pentax K-1 Sigma 70-200mm F2.8 EX DG Macro HSM II Pentax smc DA 21mm F3.2 AL Limited Pentax smc FA 31mm F1.8 AL Limited Pentax smc FA 43mm F1.9 Limited +8 more
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