Xenotar 2.8/80mm

 

OPTO-MECHANICAL DATA

(with lens focused at infinity)

Lens elements, Groups

5, 4

Shutter Size

I+1

Flange Focal Distance

73.5mm

Filter Mounting Thread

M 49 X 0.75

Weight (with shutter)

230g

Overall Length

40.5mm

 

IMAGE DATA

(with lens focused at infinity)

Recommended Format (negative) Size

56 X 72 mm

Image Circle Diameter at f/16

91mm

Angle of View at f/16

59 degrees

Lens Displacement at f/16 (vertical/horizontal)

 _

56 X 72 mm ; 56 X 72 mm

_

 

OPTICAL DATA

(with lens focused at infinity)

Effective Focal Length (F')

80.4mm

Back Focal Length (S'F')

60mm

Principal Point Separation (HH')

-6.3mm