|
| Weight: |
414 g
|
| Brand: |
Opteka
|
| Description: |
Mount: Pentax KA/KAF/KAF2/KAF3, lens type: ultra wide-angle fisheye, focal length: fixed, for sub-frame cameras only, prime lens focal length: 6.50 mm, aperture F at min. focally
|
| Type: |
Lens
|
| Length: |
100 mm
|
| Focal length: |
Permanent
|
| Lens type: |
Ultra wide angle fisheye
|
| Minimum focus distance: |
0.3 m
|
| For non-full frame cameras only: |
Yes
|
| Focal length of prime lens: |
65 mm
|
| Bayonet: |
Pentax KA/KAF/KAF2/KAF3
|
| Aperture F at max. focal length: |
3.5
|
| Aperture F at min. focal length: |
3.5
|
| Minimum aperture F: |
22
|
| Number of element groups: |
7
|
| Number of elements: |
10
|