| Lens Technology | Zoom Lens | Zoom Lens |
|---|---|---|
| Max Format Dimensions | 35mm full-frame | |
| Focal Length in Millimeters | 50-100 mm | 24-70 mm |
| Image Stabilization Feature | No | No |
| Lens Mounts | Canon EF, Nikon F (DX), Sigma SA Bayonet |
| Maximum Aperture (f-stop) | ||
|---|---|---|
| Minimum Aperture | ||
| Aperture Control Ring | No | No |
| Number of Optical Elements | ||
|---|---|---|
| Number of Optical Groups | ||
| Special Optical Elements | Three FLD elements, one SLD, and one HRI element | One ELD element, two SLD elements, three aspherical elements |
| Minimum Focusing Distance | 0.95 m (37.4 inches) | 0.38 m (14.96 inches) |
| Maximum zoom level | 0.15 times (e.g., 2x for 2 times) | 0.19 times (e.g., 2x for 2 times) |
| Auto Focus | Yes | Yes |
|---|---|---|
| Permanent Manual Focus Capability | No | Yes |
| Internal focus motor | - | |
| Focus Operation Method | - | Internal |
| Product Weight | 1490 gram (g) | 790 gram (g) |
|---|---|---|
| Color Options | Black | - |
| Diameter | 94 mm (3.7 inches) | 89 mm (3.49 inches) |
|---|---|---|
| Length | 171 mm (6.73 inches) | 95 mm (3.73 inches) |
| Environmental Resistance | No | No |
| Filter Diameter | 82 millimeter (mm) | 82 millimeter (mm) |
| Hood | Yes | Yes |
| Zoom mechanism | Rotary (internal) | Rotary (extending length) |
| Power Zoom | No | No |
| Zoom Lock | No | No |
| Tripod Mount Tab | No | No |
| Release Date |
|---|
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