Cool enlarger trick...

[gainer]

The initial magnification is less than 1. The image is smaller than the negative. As the distance from the lens to the easel approaches the focal length of the lens, the size of the image approaches infinitesimal compared to the negative and the bellows draw approaches infinity.

 

[gainer]

OOPS! Sorry, I didn't look to see that the puzzle had been solved.

 

[ic-racer]

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