As you can see from my photos, the target is very simple. It consist of a vertical plate with a big black cross on it. The plate is mounted on 2 rulers tilted 30 degrees to the horizontal. The scale printed on the ruler is so calibrated to read the horizontal distance in front of or behind the target cross.
All you need is the lock the AF onto the target with aperture wide open to achieve minimum DOF. The developed photo can show the in-focus range of the 2 ruler scales.
Regards,
Henry Chu
20/1/2003
From: [EMAIL PROTECTED] (Heiko Hamann)
Reply-To: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Re: Testing of my MZ-S AF accuracy
Date: 20 Jan 2003 09:02:00 +0100
Hi Henry,
on 20 Jan 03 you wrote in pentax.list:
>I have used the target plate supplied by the January 2003 issue of CAPA
>magazine (Japan) to test the AF accuracy of the individual AF sensors of my
Really interesting test. Could you scan the test target and write
something about the test procedure? I would like to make this test with
my MZ-5n AF.
Regards, Heiko
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