Super-Angulon 3.4/21mm

 

OPTO-MECHANICAL DATA

(with lens focused at infinity)

Lens Elements, Groups

8, 4

Filter Mounting Thread

M 48 X 0.75

Max. f/#

22

Push-On Filter Size

52.5mm

Max. Outer Diameter

52.5mm

Weight

260g

Overall Length

50mm

 

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')

21.6mm

Back Focal Length (S'F')

8.3mm

Principal Point Separation (HH')

20.2mm

Shortest Image Distance (S'O')

0.4m