Tele-photo Takumar 500mm F5

The Tele-photo Takumar 500mm F5 super tele lens was introduced in 1955. It had just two lens elements, a design that was adequate for black and white film. This primitive lens was later introduced with a M42 screw mount.

Engraved name: Asahi-Kogaku Tele-photo Takumar 1:5 f=500mm

Weight	Diam x Length	Filter Size	Min. Focus
2850 g		49 mm	25 ft
Diagonal FoV (24x36)	Horizontal FoV (24x36)		Min. Aperture	Max. Aperture
5 degrees	4 degrees		f/16	f/5
Diagonal FoV (APS-C)	Horizontal FoV (APS-C)			Optical Construction
3.3 degrees	2.7 degrees			2 elements in one group

Rack-pinion focus adjuster