 |
| Curtagon 1:2.8 / 35 mm |
 |
OPTO-MECHANICAL
DATA
(with
lens focused at infinity)
|
|
Lens Elements, Groups
|
6, 6
|
|
Filter Mounting Thread
|
M 29.5 X 0.4 or *M 49
X 0.75
|
|
Max. f/#
|
22
|
|
Push-On Filter Size
|
41mm or *51mm
|
|
Max. Outer Diameter
|
50mm or *60mm
|
|
Weight
|
145g or *220g
|
|
Overall Length
|
38mm or *41mm
|
IMAGE
DATA
(with
lens focused at infinity)
|
|
Recommended Format
(negative) Size
|
28.1 X 28.6 mm or *24
X 36 mm
|
OPTICAL
DATA
(with
lens focused at infinity)
|
|
Effective Focal
Length (F')
|
36.6mm
|
|
Back Focal Length
(S'F')
|
37.5mm
|
|
Principal Point
Separation (HH')
|
10.8mm
|
|
Shortest Image
Distance (S'O')
|
0.6m or *0.3m
|
