Thanks for doing the math or measurement. I wouldn't have guessed that
it would make that much difference but I just did the calculation myself
and see that you are correct. At infinity, the lens to film plane
distance for a 24mm lens is, of course, 24mm. At 2 meters focusing
distance the lens to film plane distance is 24.29mm.
Chuck Norcutt
C.H.Ling wrote:
> 0.3mm is a big number, with a Zuiko 24mm, 0.3mm different in lens to film
> distance means a distance scale change from infinity to the position between
> 6 feet and 3 meter. Even 0.1mm different will create something like 1mm
> displacement in distance scale.
>
> C.H.Ling
>
> ----- Original Message -----
> From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxx>
>
>>I think it highly unlikely that the Oly 4/3 adapter is "too thin" or
>>that the Kindai is manufactured more accurately. 0.1mm would be a gross
>>error for even the sloppiest machine shop. Even if the adapter was off
>>by 0.3mm in thickness I doubt seriously that such a small positioning
>>error could be detected at the gross level of the focusing scale.
>>
>>Chuck Norcutt
>
>
>
>
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