Alpa Reflex Cameras from Switzerland

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Kern Swiss
Spectros
Angénieux Paris
Kinoptik Paris
Old Delft
Schneider Kreuznach
Kilfitt Vaduz and Munich
Zoomar Long Island
Enna Werke
Japanese Lenses
 Curtagon 2.8 / 35
PA Curtagon 4 /35
Xenon 1.9 / 50
Xenon 2.0 / 80
Tele-Xenar 3,5 / 90
 Tele-Xenar 3.5 / 135
Tele-Xenar 5.5 / 360
Tele-Variogon 4.0 / 80-240
 
Xenar 1:3.5 / 75 mm
OPTO-MECHANICAL DATA
(with lens focused at infinity)

Lens Elements, Groups

4, 4 or *5, 3

Filter Mounting Thread

M 38 X 0.75

Max. f/#

22

Push-On Filter Size

43mm

Max. Outer Diameter

43mm or *54mm

Weight

200g or 275g

Overall Length

49mm or *47mm

IMAGE DATA
(with lens focused at infinity)

Recommended Format (negative) Size

24 X 36 mm

OPTICAL DATA
(with lens focused at infinity)

Effective Focal Length (F')

73.5mm or *73.6mm

Back Focal Length (S'F')

30.5mm or *32.4mm

Principal Point Separation (HH')

6.7mm

Shortest Image Distance (S'O')

1m


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