Lens tech data for Sony Alpha DT 50/1.8 SAM
Image: Sony, used by permission
| General | |
|---|---|
| Name | Sony Alpha DT 50/1.8 SAM |
| Mount type | A-mount |
| Release year | 2009 |
| Status | current |
| Manufacturer's order code | SAL-50F18 |
| Aperture | |
| Minimum aperture | 22 |
| Aperture blades | 7, circular |
| Optical construction | |
| Elements/groups | 6/5 |
| Minimum focus distance | 34 cm |
| Maximum magnification | 1:5 (0.2×) |
| Focus design | extension |
| Features | |
| AF drive | SAM (micro) |
| D function | yes |
| Lens buttons | – |
| Focus range limiter | – |
| Tripod mount | – |
| Other features | AF/MF switch, distance scale |
| Dimensions and weight | |
| Minimum length [mm] | 45.0 |
| Maximum length [mm] | unknown |
| Maximum diameter [mm] | 70.0 |
| Filter diameter [mm]/type | 49/front |
| Weight [g] nominal/net/gross | 170/170/190 |
| Hood | |
| Hood mount | – |
| Hood shape | – |
| Hood part number | – |
| Movements | |
| Filter rotates when focusing | no |
| Length changes when focusing | yes |
| Focus ring rotates in AF mode | yes |
| Construction and accessories | |
| Color | black |
| Weather sealing | no |
| Mount material | polycarbonate |
| Standard accessories | front cap, rear cap |
| Optional accessories | – |
| Misc | |
| Lens ID | 57 |
| Comments | – |
| Reviews & links | Gary Wolstenholme on ePHOTOzine (full review), Klaus Schroiff on Photozone.de (full review), LensTip.com (full review), Margaret Brown on PhotoReview Australia (full review), Mark Goldstein on Photography Blog (full review) |
| Related lenses | – |
| Part of camera kit | – |
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