|
| Weight: |
470 g
|
| Brand: |
Sigma
|
| Description: |
Bayonet mount: Pentax KA/KAF/KAF2/KAF3, lens type: ultra-wide-angle fisheye, focal length: fixed, autofocus, for non-full-frame cameras only, prime lens focal length: 4.50 mm,
|
| Type: |
Lens
|
| Functions: |
Focusing motor for Nikon F, ultrasonic motor, internal focusing
|
| Length: |
77.8 mm
|
| Diameter: |
76.2 mm
|
| Focal length: |
Permanent
|
| Lens type: |
Ultra wide angle fisheye
|
| Max viewing angle: |
180 deg.min
|
| Auto focus: |
There is
|
| For non-full frame cameras only: |
Yes
|
| Focal length of prime lens: |
45 mm
|
| Bayonet: |
Pentax KA/KAF/KAF2/KAF3
|
| Aperture F at max. focal length: |
2.8
|
| Aperture F at min. focal length: |
2.8
|
| Minimum aperture F: |
22
|
| Number of aperture blades: |
6
|
| Number of element groups: |
9
|
| Number of low dispersion elements: |
1
|
| Number of elements: |
13
|