Pentax D FA* 70-200mm F2.8ED DC AW 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 | 35mm full-frame | |
| Focal Length in Millimeters | 70-200 mm | 17-70 mm |
| Image Stabilization Feature | No | Yes |
| Lens Mounts | Pentax KAF3 | 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 | HD, HB, and Super Protect coating | One aspherical element, 2 glass-molded aspherical elements |
| Minimum Focusing Distance | 1.20 m (47.24 inches) | 0.19 meter (m) |
| Maximum zoom level | 0.13 times (e.g., 2x for 2 times) | 0.21 times (e.g., 2x for 2 times) |
Focus features
Focus features
| Auto Focus | Yes | Yes |
|---|---|---|
| Permanent Manual Focus Capability | Yes | No |
| Focus Operation Method | Internal | Internal |
| Internal focus motor | - | Stepper motor |
Aesthetic features
Aesthetic features
| Product Weight | 1755 gram (g) | 525 gram (g) |
|---|---|---|
| Color Options | Black | - |
Body material and design
Body material and design
| Diameter | 92 mm (3.6 inches) | 75 millimeter (mm) |
|---|---|---|
| Length | 203 mm (7.99 inches) | 119 millimeter (mm) |
| Environmental Resistance | Yes | Yes |
| Filter Diameter | 77 millimeter (mm) | 67 millimeter (mm) |
| Hood | Yes | Yes |
| Zoom mechanism | Rotary (extending length) | Rotary (extending length) |
| Power Zoom | No | No |
| Zoom Lock | Yes | No |
| Tripod Mount Tab | Yes | No |
Other items or details
Other items or details
| Release Date |
|---|
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User Rating Comparison
Pentax D FA* 70-200mm F2.8ED DC AW 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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