Tamron 20Mm F28 Di Iii Osd M12
VS
Sigma 17-70mm F2.8-4 DC Macro OS HSM C Lens
Feature Comparison
Main components
Main components
| Lens Technology | Prime Lens | Zoom Lens |
|---|---|---|
| Max Format Dimensions | 35mm full-frame | |
| Focal Length in Millimeters | 20 millimeter (mm) | 17-70 mm |
| Image Stabilization Feature | No | Yes |
| Lens Mounts | Sony FE |
Diaphragm settings
Diaphragm settings
| Maximum Aperture (f-stop) | F2.8–4 | |
|---|---|---|
| Aperture Control Ring | No | No |
| Minimum Aperture | - |
Optical features
Optical features
| Number of Optical Elements | ||
|---|---|---|
| Special Optical Elements | Low dispersion element and aspherical element + BBAR and Fluorine coatings | Two FLD glass elements, one SLD glass element, three aspherical elements including one double-sided aspherical lens |
| Minimum Focusing Distance | 0.11 meter (m) | 0.22 m (8.66 inches) |
| Maximum zoom level | 0.5 times (e.g., 2x for 2 times) | 0.36 times (e.g., 2x for 2 times) |
| Number of Optical Groups | - |
Focus features
Focus features
| Auto Focus | Yes | Yes |
|---|---|---|
| Internal focus motor | Micromotor | |
| Permanent Manual Focus Capability | No | No |
| Focus Operation Method | Internal | Internal |
Aesthetic features
Aesthetic features
| Product Weight | 220 gram (g) | 465 gram (g) |
|---|
Body material and design
Body material and design
| Diameter | 73 millimeter (mm) | 79 mm (3.11 inches) |
|---|---|---|
| Length | 64 millimeter (mm) | 82 mm (3.23 inches) |
| Environmental Resistance | Yes | No |
| Filter Diameter | 67 millimeter (mm) | 72 millimeter (mm) |
| Hood | Yes | Yes |
| Power Zoom | No | No |
| Zoom Lock | No | No |
| Tripod Mount Tab | No | No |
| Material | - | Plastic body, Metal mount |
| Zoom mechanism | - | Rotary (extending length) |
Other items or details
Other items or details
| Release Date |
|---|
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User Rating Comparison
Tamron 20Mm F28 Di Iii Osd M12
0
/10
from total 1 Vote
Sigma 17-70mm F2.8-4 DC Macro OS HSM C Lens
0
/10
from total 1 Vote
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