Oh, in that case more like a 43 to 48mm FF AOV equivalent lens depending if use
diagonal or horizontal fov. Horizontal may be more useful perhaps.
Mike
>
> Mike, I suspect it was intended for a 5x7 camera, which is about 96 times
> the size of a 4/3 sensor. Not bad resolution for a 130 year old lens.
>
> Sent from my iPhone
>
>> On Jul 15, 2021, at 5:56 PM, Mike Gordon via olympus
>> <olympus@xxxxxxxxxxxxxxxxx> wrote:
>>
>> Very cool lens, Jim. Undoubtedly meant for large format but I am not sure
>> of exact film size. F16 rather a small small aperture for MFT but at
>> least it gets used! Dr. Diffraction may not be pleased but current software
>> tools can ameliorate the effect.
>>
>> 8" focal length--hmmm --about 200mm or 400mm FF equivalent on MFT.
>> Curiously back of envelope calculation reveals that
>> on 8X10 format would provide same diagonal angle of view at about a 28mm on
>> full frame or 14mm on MFT so was really meant to be a WA!!
>>
>> Wide to supertele in one lens, Mike
>>
>> --
>> _________________________________________________________________
>> Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
>> Archives: http://lists.thomasclausen.net/mailman/private/olympus/
>> Themed Olympus Photo Exhibition: http://www.tope.nl/
>>
>>
>
>
--
_________________________________________________________________
Options: http://lists.thomasclausen.net/mailman/listinfo/olympus
Archives: http://lists.thomasclausen.net/mailman/private/olympus/
Themed Olympus Photo Exhibition: http://www.tope.nl/
|