Sigma 18-50mm F2.8 DC DN Lens
VS
Tamron 17-70 F2.8 Di III-A VC RXD Lens
Feature Comparison
Main components
Main components
| Lens Technology | Zoom Lens | Zoom Lens |
|---|---|---|
| Max Format Dimensions | ||
| Focal Length in Millimeters | 18-50 mm | 17-70 mm |
| Image Stabilization Feature | No | Yes |
| Lens Mounts | Sony E, L-Mount | Sony E |
Diaphragm settings
Diaphragm settings
| Maximum Aperture (f-stop) | ||
|---|---|---|
| Minimum Aperture | ||
| Aperture Control Ring | No | No |
Optical features
Optical features
| Number of Optical Elements | ||
|---|---|---|
| Number of Optical Groups | ||
| Special Optical Elements | 1 Super Low Dispersion element and 3 aspherical elements | One aspherical element, 2 glass-molded aspherical elements |
| Minimum Focusing Distance | 0.12 m (4.72 inches) | 0.19 meter (m) |
| Maximum zoom level | - | 0.21 times (e.g., 2x for 2 times) |
Focus features
Focus features
| Auto Focus | Yes | Yes |
|---|---|---|
| Internal focus motor | Stepper motor | Stepper motor |
| Permanent Manual Focus Capability | No | No |
| Focus Operation Method | Internal | Internal |
Aesthetic features
Aesthetic features
| Product Weight | 290 gram (g) | 525 gram (g) |
|---|
Body material and design
Body material and design
| Diameter | 65 mm (2.57 inches) | 75 millimeter (mm) |
|---|---|---|
| Length | 75 mm (2.93 inches) | 119 millimeter (mm) |
| Environmental Resistance | No | Yes |
| Filter Diameter | 55 millimeter (mm) | 67 millimeter (mm) |
| Hood | Yes | |
| Zoom mechanism | Rotary (internal) | Rotary (extending length) |
| Power Zoom | No | No |
| Zoom Lock | No | No |
| Tripod Mount Tab | No | No |
Other items or details
Other items or details
| Release Date |
|---|
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User Rating Comparison
Sigma 18-50mm F2.8 DC DN Lens
0
/10
from total 1 Vote
Tamron 17-70 F2.8 Di III-A VC RXD Lens
0
/10
from total 1 Vote
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