Symmar 5.6/240mm

 

OPTO-MECHANICAL DATA

(with lens focused at infinity)

Lens elements, Groups

6, 4

Shutter Size

II 5/2+3

Flange Focal Distance

236mm

Filter Mounting Thread

M 67 X 0.75

Weight (with shutter)

725g

Overall Length

75mm

 

IMAGE DATA

(with lens focused at infinity)

Recommended Format (negative) Size

180 X 140 mm

Image Circle Diameter at f/16

336mm

Angle of View at f/16

70 degrees

Lens Displacement at f/16 (vertical/horizontal)

 _

180 X 240 mm ; 172 X 232 mm

35/28mm

8 X 10" ; 194.7 X 243.2 mm

18/15mm

 

OPTICAL DATA

(with lens focused at infinity)

Effective Focal Length (F')

240mm

Back Focal Length (S'F')

201mm

Principal Point Separation (HH')

4.7mm