BTW, I'm very interested on your setup, how can you measure the 1mm error at
300mm distance? Were you using a macro?
This is the best I can do (both use center focusing point):
Normal AF
http://www.accura.com.hk/temp/PC210741.jpg
Imager AF
http://www.accura.com.hk/temp/PC210742.jpg
C.H.Ling
----- Original Message -----
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
> It is a rough figure but not far away, here is an example at 14mm setting,
> the overall image may not be very sharp due to slow shutter speed but you
> can see the focus is on the dish (or the drink) while it should be on the
> face.
>
> http://www.accura.com.hk/temp/PC090020.jpg
>
> If focus shift is due to sensor positing error in the vertical plan (i.e.
> just up/down or left/right) it is ok as the target will still be sharp. I
> will not accept any focus shift which will cause image softness.
>
> C.H.Ling
>
>
> ----- Original Message -----
> From: "Frank van Lindert" <Frank@xxxxxxxxxxxxx>
>
>> CH, is it _really_ as bad as that, 2 ft instead of 3 ft, or are these
>> figures just serving as an example of the phenomenon? If the figures
>> are from real life, then I would return that E-520 immediately and
>> not even bother having it repaired or consider to buy another.
>>
>> I own a E-400 and the focusing error is only 1 mm when the actual
>> object distance is 300mm. Or to put it (roughly) in those terrible
>> imperial measures, the error equals 1/32 inch at a 1 foot distance.
>> Quite acceptable, I would say ;-)
>>
>> How much is the real error with your E-520?
>>
>> Frank van Lindert
>> Utrecht NL.
--
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