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Pentax 645D

Pentax 67 300mm f/4 ED IF

I tested the Pentax-M 67 300mm f/4 ED IF on the 645D, using the Pentax lens adapter (no longer made, see notes on the 300/4 page). Perhaps Pentax will resurrect it now that the 645D is creating demand for lenses. Get one if you can find it.

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