|
|
|
| Producer |
Sigma |
Zeiss |
| Model |
AF 70-300mm f/4-5.6 DG OS Pentax |
Planar T* 1.4/85 ZK |
| Type |
Telephoto Zoom |
Telephoto |
| Lens Mount |
Pentax KA/KAF/KAF2 |
Pentax K |
| Diameter |
3 in (76.5 mm) |
3.02 in (77 mm) |
| Length |
4.96 in (126.5 mm) |
2.43 in (62 mm) |
| Weight |
1.3 lbs (610 g) |
1.3 lbs (570 g) |
| LENS SYSTEM |
| Lens Aperture |
F4 - F5.60 |
F1.40 |
| Focal length |
70 - 300 mm |
70 - 300 mm |
| Max View Angle |
8.20 - 34.30 deg/min |
28.60 deg/min |
| Auto Focus |
Yes |
No |
| Image Stabilization |
Yes |
No |
| Photographic Filter Diameter |
2.43 in (62 mm) |
2.82 in (72 mm) |
| Minimal Aperture |
F22 |
F16 |
| Minimal Focus Range |
1.5 m |
1 m |
| Number of Optical Lens Elements |
16 |
6 |
| Number of Lens Groups |
11 |
5 |
| Ultrasonic Motor |
No |
No |
| MISCELLANEOUS |
| Number of Blades in an Iris Diaphragm |
9 |
|
| Number of Low Dispersion Glass Elements |
1 |
|
| Macro Mode |
No |
No |
| Inner focusing |
No |
No |
|
|
Also Compare Sigma AF 70-300mm f/4-5.6 DG OS Pentax with:
|
Also Compare Zeiss Planar T* 1.4/85 ZK with:
|
