Photos and explanation of the conversion of Beseler 45 enlarger for 8×10″ negatives
A few years ago I decided to see if I could convert a Beseler 45 enlarger to enable enlargement of 8×10 inch negatives. With some basic optical maths and a little trial and error, I succeeded. While the construction is currently a little rough, and will be refined in future, it has proven to be perfectly capable of fine print enlargements of 8×10 negatives.
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Overview

Lightbox LEDs

AC Connection

Lightbox attachment to original

Diffuser

Bellows and neg carrier slot

Inside bag bellows

Neg carrier

Neg carrier

Neg carrier

Lightbox vertical adjuster

Enlarging lens

LED examples

Example Print