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Slide holding for Scanning - Ohnar and Other Options

Started May 21, 2021 | Questions thread
D Cox Forum Pro • Posts: 32,980
Re: 80mm f/4 enlarger lens - a compromise

Halina3000 wrote:

The bellows themselves are 27.5mm fully compressed... without any adapters etc.

The numbers in my post are from the front of the lens body to the sensor plane so include the bellows, lens body, adapters and the distance from the camera flange to the sensor plane.

I had originally hoped to use the MD lens and avoid buying any more glass at all but it wasn't to be.

I guess it's not a complete surprise - I assume the BPM bellows are designed to produce 1:1 with a 50mm ish lens in order to do slide duplication with a 35mm film camera.

They were built into the Bowens Illumitran slide duplicating device.

I take your point that the enlarger lens could also have its effective 'centre' further back than the MD prime... but it's hard to know these things.

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