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Old 22-03-2021, 02:51 PM
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Sunfish (Ray)
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Sunfish is offline
Join Date: Mar 2018
Location: Wollongong
Posts: 1,714
I have a Pentax film camera and also a digital camera. So I should try that, focus with the digital and then swap to the film.

I do not think you will see the Bahtinov diffraction on the optical viewer but perhaps with the medium format and a loupe on the focus screen that would work. Unless you find an old stiletto or mitsuboshi knife edge focuser somewhere.
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