Tuesday, September 6, 2011

cam curve for Geronar 6.3/150

The red curve is for 6.3/150mm Geronar lens.
Compare this lens with Xenotar, Heliar, apo-symmar 150 lenses, the curve is interesting different with them, Geronar has its own character, no wonder it has shortest rail movement for infinity stop.

No comments: