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09-Apr-2020 04:58
A table engraved indicated the other lenses: Probably for military use only.Astro Berlin seems to have made some lenses with a genuine Leica mount.Made by Tanaka Kōgaku, originally sold for the Tanack Leica copy.The Altanon 5cm f/2 sold by Misuzu Kōgaku on the Alta is a rebadged version of the Tanar 5 cm f/2.Taylor, Taylor & Hobson made the collapsible 2" f:2 Anastigmat as the standard lens for the Reid British Leica copy.They also made a rigid 2" f/2 Cooke Amotal Anastigmat lens for the Bell & Howell Foton camera.Zeiss Ikon also produced a Nettar equipped with an exposure meter, the Nettax (513/16).
Version 2 is longer, and, at common focus distances, its front element is farther from the film plane than is version 1's. Showa Kogaku, better known as Leotax, apparently made their own lenses for their very first Leica copies, among which the rare Letana Anastigmat 50mm f/3.5 (see this Leotax page at Cameraquest).
The Isco Westar 50mm f:3.5, rigid with chrome finish, was the standard lens mounted on the prototypes of the Recta, a rangefinder variant of the Rectaflex.
Kilfitt lenses had a set of adapters, to attach them on various lens mounts, among them Visoflex.
Some of them appear in Leica screw mount, due to Peerless(US) arranging for an Italian firm to mount them in rather crude Leica screw mounts so that they could fit them to Leica camera imports and undercut the Leica camera prices fixed by Leitz, who could only fix the prices of Leica cameras fitted with Leica lenses.
See also the lens made by a Taylor, Taylor & Hobson subsidiary THE NATIONAL OPTICAL COMPANY Marked Telesar, maker unknown.Note: The chrome and black versions of the Komura 135mm f3.5 are optically different. Meyer made some lenses in 39mm Leica screw mount at an early date, mostly before World War II. Chiyoda Kōgaku, later renamed Minolta, made a range of Leica screw lenses for its Minolta 35 series camera, a Leica copy made between 19. C 5 cm f/3.5 collapsible lens made by Reise was mounted on the Chiyoca camera (see the description there).
