| Lens Technology | Zoom Lens | Zoom Lens |
|---|---|---|
| Max Format Dimensions | 35mm full-frame | 35mm full-frame |
| Focal Length in Millimeters | 12-24 mm | 16-28 mm |
| Image Stabilization Feature | No | No |
| Lens Mounts | Canon EF, Nikon F (FX), Sigma SA Bayonet | Canon EF, Nikon F (FX) |
| Maximum Aperture (f-stop) | ||
|---|---|---|
| Aperture Control Ring | No | No |
| Minimum Aperture | - |
| Minimum Focusing Distance | 0.24 m (9.45 inches) | 0.28 m (11.02 inches) |
|---|---|---|
| Number of Optical Elements | - | |
| Number of Optical Groups | - | |
| Special Optical Elements | - | Three aspherical elements, three SD lenses |
| Maximum zoom level | - | 0.19 times (e.g., 2x for 2 times) |
| Auto Focus | Yes | Yes |
|---|---|---|
| Internal focus motor | Micromotor | |
| Permanent Manual Focus Capability | Yes | No |
| Focus Operation Method | Internal | Internal |
| Product Weight | 1150 gram (g) | 950 gram (g) |
|---|---|---|
| Color Options | Black | - |
| Diameter | 101 millimeter (mm) | 90 mm (3.54 inches) |
|---|---|---|
| Length | 132 millimeter (mm) | 133 mm (5.25 inches) |
| Environmental Resistance | No | No |
| Hood | Yes | Yes |
| Zoom mechanism | Rotary (extending length) | Rotary (internal) |
| Power Zoom | No | No |
| Zoom Lock | No | No |
| Tripod Mount Tab | No | No |
| Release Date |
|---|
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