|
| Brand: |
Sigma
|
| Description: |
Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length
|
| Type: |
Lens
|
| Functions: |
Focusing motor for Nikon F, ultrasonic motor
|
| Focal length: |
Permanent
|
| Lens type: |
Wide angle
|
| Minimum focus distance: |
0.28 m
|
| Auto focus: |
There is
|
| Focal length of prime lens: |
28 mm
|
| Bayonet: |
Nikon F
|
| Filter thread diameter: |
77 mm
|
| Aperture F at max. focal length: |
1.4
|
| Aperture F at min. focal length: |
1.4
|
| Minimum aperture F: |
16
|
| Number of aperture blades: |
9
|
| Security: |
Dustproof, waterproof
|
| Number of element groups: |
12
|
| Number of low dispersion elements: |
5
|
| Number of elements: |
17
|