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Enlarging lens as macro lens, experimental result


rocky_aaron

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I recently did an almost X7 times enlargement onto 4x5 film using a

reverse-mounted 63 mm f2.8 El-Nikkor, using taking apertures of f8 and

f11. I was able to use such large apertures because the subject was

flat. The bellows extension of 500 mm required an exposure

compensation of 6 stops! In this arrangement the reverse-mounted 63

mm lens covered 4x5 and delivered excellent resolution;

non-reverse-mounted, the resolution was poor.

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