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PENTAX 645 Helicoid Extension Tube

Reviews Views Date product posted
0 6,034 Mon March 22, 2010
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PENTAX 645 Helicoid Extension Tube


Description:
Variable length extension tube for PENTAX 645. With a 75mm standard lens the magnification can be adjusted from 0.57x to 1.06x.

This tube has no lens information contacts. 645-A and 645-FA lenses must be used off the "A" setting.

This tube is not suitable for lenses without an aperture ring since such lenses cannot be stopped down.

This tube cannot be used with the 645 300mm f/4 lenses.


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