| Name |
Tamron 17-28mm f/2.8 Di III RXD (Model A046) |
| Image Circle |
APS-C |
| Type |
Wide Zoom |
| Focal Length |
17 - 28mm |
| 35mm Equivalent |
1.5x: 25.5 - 42mm; 1.6x: 27.2 - 44.8mm |
| Max Aperture |
f/2.8 |
| Min Aperture |
f/22 |
| Diaphragm Blades |
9 (circular) |
| Lens Construction |
13 elements in 11 groups, including 2 LD (Low Dispersion), 1 XLD (Extra Low Dispersion) and 3 aspherical elements; BBAR (Broad-Brand Anti-Reflection) coating; Flourine coating |
| Diagonal Angle of View |
104.7 to 76.4 degress |
| Focus Details |
Internal via RXD (Rapid eXtra-silent stepping Drive) with DMF (Direct Manual Focus) |
| Front Element Rotation |
No |
| Zoom System |
Rotary |
| Closest Focus |
19cm / 7.5 in. (Wide), 26cm / 10.2 in. (Tele) |
| Magnification Ratio |
0.19x / 1:5.2 (Wide), 0.17x / 1:6 (Tele) |
| Filter Size |
67mm |
| Dimensions(Length x Diameter) |
3.9 in. x 2.9 in / 99mm x 73mm |
| Weight |
420g / 14.8 oz |
| Notes |
Available mounts: Sony FE-mount; Moisture-resisteant construction |
| Typical Online Price |
US$899 (Avail. July 2019) |
