| Corresponding AF Mount |
Sigma, Canon, Nikon (D) |
| Lens Construction (Groups /
Elements) |
28/11 |
| Angle of view (degrees) |
122.0º - 84.1º |
| No. of blades in diaphragm |
6 |
| Minimum Aperture (wide) |
F22 |
| Minimum Focusing Distance (cm/in.) |
28-Nov |
| Magnification |
01:07.1 |
| Filter Size (ø mm) |
Rear (Gelatin filter) |
| Dimensions Diameter x length (mm /
in.) |
87 x 100 / 3.4 x 3.9 |
| Weight (g / oz.) |
615 / 21.6 |
Ultra wide angle of view
The large angle of view (122°super wide angle of view at 12mm along the diagonal axis) is ideal for shootings indoor as well as landscape photography. It has a variable angle of view from 122° to 84.1°.
Equipped with 4 SLD glass elements and 3 Aspherical Lenses
Four Special Low Dispersion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of Glass Mold and one-piece hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration. By effective arrangement of lens elements and advanced technology this lens has Super Compact dimensions of 100mm full-length, and 87mm maximum diameter.
Internal focusing and close focus capability
It is equipped with Inner focusing system that will keep the length of the lens unchanged while controlling aberration. This model, is also equipped with an HSM (Hyper Sonic Motor) system offering full time manual focusing. It has a minimum focusing distance of 28mm at all focal lengths. This lens is equipped with an integral Petal-type hood to block out extraneous light.
Ideal for film and digital SLR cameras
First Zoom lens that has 122° diagonal angle of view
Equipped with 4 SLD glass elements and 3 Aspherical Lenses
28cm close focusing
HSM system with full time manual focus
Internal focusing system
Latest advanced features for ease of use
|
