THE PRAKTINA SYSTEM
LENSES

Isco Optische Werke GmbH

ISCO was founded in 1936 by Josef August Schneider, Kreuznach, as a limited partnership under the name "Jos. Schneider & Co., Optische Werke, Göttingen". The company is still in business.

Manufacturer	Isco Optische Werke GmbH
Company location	Göttingen, West Germany
Manufacturer's name on the lenses	Isco-Göttingen

Lenses with Praktina mount

Lens Name	Focal Lenght	Aperture Max-Min	Elem./ Groups	Closest Focus m	Diaph. Type	Finishing	Filter Size mm
Westrogon	24	4 - 22	8 / 6	0.5	BV	black / zebra rings	82x0.75
Westron	28	4 - 16	7 / 6	0.3	BV	silver	46x0.75
Westron	35	2.8 - 16	5 / 5	0.3	BV	ver. 1 - silver ver. 2 - black / zebra rings	46x0.75
Westromat	50	1.9 - 22	6 / 4	0.5	ASB	black with zebra rings	49x0.75
Tele-Westanar	135	3.5 - 22	5 / 4	1.35	RB	ver. 1 - silver ver. 2 - black / zebra rings	49x0.75
Westromat	135	3.5 - 22	5 / 4	2.0	ASB	black	49x0.75
Tele-Iscaron	135	2.8 - 22	4 / 3	1.35	BV	black	54x0.75
Westanar	180	4.5 - 22	4 / 3	1.5	BV	black	52x0.75
Tele-Westanar	180	4 - 22	4 / 3	2.4	RB	black	54x0.75
Tele-Iscaron	180	2.8 - 22	5 / 3	1.8	BV	black	69x0.75

| SITE MAP |

| PREVIOUS PAGE | NEXT PAGE |