Symmar 5.6/80mm

 

OPTO-MECHANICAL DATA

(with lens focused at infinity)

Lens elements, Groups

6, 4

Shutter Size

0

Flange Focal Distance

75.7mm

Filter Mounting Thread

M 40.5 X 0.5

Weight (with shutter)

230g

Overall Length

36mm

 

IMAGE DATA

(with lens focused at infinity)

Recommended Format (negative) Size

56 X 72 mm

Image Circle Diameter at f/16

110.6mm

Angle of View at f/16

70 degrees

Lens Displacement at f/16 (vertical/horizontal)

 _

56 X 72 mm ; 56 X 72 mm

14.0/11.7mm

 

OPTICAL DATA

(with lens focused at infinity)

Effective Focal Length (F')

79mm

Back Focal Length (S'F')

66.2mm

Principal Point Separation (HH')

1.4mm