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
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