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View Full Version : Minimum focusing distance with Fotoman 810PS and Fujinon 250/f6.3 CMW helical focus!



nicemate1
27-Sep-2012, 07:46
Hello! I am trying to figure out what would be the minimum focusing distance with this combination of camera, helical focusing system and the Fujinon 250 lens.
I appreciate any sort of help!!!
best regards and thanks to anyone who answers! pietro

ic-racer
27-Sep-2012, 18:03
Using the thin lens formula and an 18mm long throw focus mount I get 3.7 meters.

Oren Grad
27-Sep-2012, 19:51
Using the thin lens formula and an 18mm long throw focus mount I get 3.7 meters.

Alas, the eBay listing says the HFM is a short one, and marked for 210mm to boot. Not a good match to this lens. Looks like they're shoveling out the warehouse. < sigh >