Aus russischer Quelle
1.) The Meteor-5-1 lens is designed for a 7.45x10.05mm frame
2.) Krasnogorsk bayonet mount and the M42x1 mount (flange focal distance - 45.5 mm)
3.) distance from the rear element to the sensor, is approx. 15 mm
4.) Image circle diameter when focusing to infinity and with the focal length of 17 mm is approx. 15 mm
5.) good performance the lens should be used on Nikon 1 cameras: Nikon J1, Nikon V1.