Echoing Suavi's comments - here is an image from a Pentax 67 300mm F4 lens. Its not the ED version.
I was surprised it worked so well. I think I paid around $400 for the lens.
That is a FLI Proline 16803 sensor here so 36 x 36mm or so.
These 67 lenses have something like a 60mm corrected circle at least.
Though Glen your 71SDQ would be hard to beat for this?
Greg.
Last edited by gregbradley; 30-03-2019 at 09:17 PM.
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