Tele-Arton 4/180mm

 

OPTO-MECHANICAL DATA

(with lens focused at infinity)

Lens elements, Groups

5, 4

Shutter Size

I+1

Flange Focal Distance

102.4mm

Filter Mounting Thread

M 67 X 0.75

Weight (with shutter)

700g

Overall Length

97mm

 

IMAGE DATA

(with lens focused at infinity)

Recommended Format (negative) Size

65 X 90 mm

Image Circle Diameter at f/16

110mm

Angle of View at f/16

35 degrees

Lens Displacement at f/16 (vertical/horizontal)

_

56 X 72 mm ; 56 X 72 mm

13.6/11.3mm

65 X 90 mm ; 58.2 X 81 mm

8.1/6.1mm

 

OPTICAL DATA

(with lens focused at infinity)

Effective Focal Length (F')

176mm

Back Focal Length (S'F')

77mm

Principal Point Separation (HH')

26.8mm