| Optics |
| Max Focal Length |
20 mm |
| Min Focal Length |
10 mm |
| Min Focus Distance |
9.4 in |
| Max Aperture |
f/ 4 (Wide)|f/ 5.6 (Tele) |
| Filter Size Supported |
77 mm |
| Additional Specifications |
| Lens Construction |
14 Elements in 10 Groups |
| Front Camera |
Sigma |
| Brand Name |
Sigma |
| Quick Glance |
| Max Focal Length |
20 mm |
| Lens Type |
Ultra Wide Angle Zoom |
| Camera Mount |
Pentax Digital SLR Cameras |
| Max Aperture |
f/ 4 (Wide)|f/ 5.6 (Tele) |
| Other Features |
| Included Components |
Lens Hood |
| Usage Information |
| Lens Type |
Ultra Wide Angle Zoom |
| Compatible Camera Mount |
Pentax Digital SLR Cameras |
| Warranty |
| Warranty Information |
1 Year Limited Warranty |
| More Info |
| URL |
http://www.sigma-photo.com |
| Physical Specifications |
| Diameter |
3.3 in |
| Weight |
1.02 lb |
| Length |
3.2 in |
| Dimensions |
3.20" Length x 3.30" Diameter |
