THE PRAKTINA SYSTEM
LENSES

Enna Optische Anstalt Dr. Appelt KG

The Enna work was founded in 1920 in Munich by Alfred Neumann. After his death, the activity was continued after 1945 by his son-in-law, dr. Werner Appelt as "Enna-Werk Optik-Gerätebau Dr. Appelt GmbH & Co. KG". Enna made lenses for German camera manufacturers and retailers.

Manufacturer	Enna Optische Anstalt Dr. Appelt KG
Company location	Munich, West Germany
Manufacturer's name on the lenses	Enna-Werk München (approx. up to 1956) ENNA München (approx. from 1957)

Lenses with Praktina mount

Lens Name	Focal Lenght	Aperture Max-Min	Elem./ Groups	Closest Focus m	Diaph. Type	Finishing	Filter Size mm
Lithagon	24	4 - 22	7 / 7	0.25	BV	black / zebra rings	52x0.75
Ennalyt	24	4 - 22	7 / 7	0.25	BV	black / zebra rings	52x0.75
Ultra-Lithagon	28	3.5 - 16	6 / 6	0.3	BV	silver	52x0.75
Lithagon	28	3.5 - 22	6 / 6	0.3	BV	black / zebra rings	52x0.75
Lithagon	35	4.5 - 16	4 / 4	0.8	BV	silver	52x0.75
Lithagon	35	3.5 - 22	4 / 4	0.4	NB	silver	52x0.75
Lithagon	35	3.5 - 22	4 / 4	0.5	RB	black / zebra rings	52x0.75
Lithagon	35	2.8 - 16	6 / 5	0.5	BV	silver	52x0.75
Lithagon	35	2.8 - 22	6 / 5	0.4	BV	black / zebra rings	52x0.75
Super-Lithagon	35	2.5 - 22	6 / 5	0.5	BV	silver	49x0.75
Ennalyt	85	1.5 - 22	6 / 5	1.2	RB	ver. 1 - silver ver. 2 - black / zebra rings	58x0.75
Tele-Ennalyt	90	2.8 - 22	3 / 3	0.7	RB	black / zebra rings	52x0.75
Ennalyt	95	2.8 - 22	3 / 3	0.8	RB	black / zebra rings	52x0.75
Ennalyt	100	2.8 - 22	3 / 3	0.8	NB	silver	52x0.75
Tele-Ennalyt	135	3.5 - 22	5 / 5	1.5	RB	black / zebra rings	52x0.75
Tele-Ennalyt	135	2.8 - 22	5 / 5	1.5	RB	black / zebra rings	52x0.75
Tele-Ennalyt	135	2.8 - 22	5 / 5	1.5	BV	black / zebra rings	52x0.75
Tele-Ennalyt	240	4.5 - 22	5 / 4	3	RB	black / zebra rings	52x0.75
Tele-Ennalyt	400	4.5 - 32	5 / 4	5	RB	black	95x1
Tele-Ennalyt	600	5.6 - 45	5 / 4	10	RB	black	108x1
Tele-Zoom	85 - 250	4 - 22	12 / 9	0.6	BV	black	74x0.75

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