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This is an apochromatic 40mm f2.8 enlarging lens, most commonly used to make photographic prints with 35mm negatives. The 40mm focal length allows a 20% shorter enlarger column height or 20% larger images, compared with the 50mm focal length lenses often used for 35mm enlarging. It is equipped with user conveniences such as a preset iris lever, illuminated aperture scale and click stop override. This model has 39mm LEICA mounting threads.
Lens Format: 24 x 36 mm
