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The 17-28mm f/2.8 Di III RXD from Tamron is a versatile zoom for full-frame Sony E-mount mirrorless cameras. The optical...
The 17-28mm f/2.8 Di III RXD from Tamron is a versatile zoom for full-frame Sony E-mount mirrorless cameras. The optical design incorporates both XLD and LD elements, which produce a highly corrected image with reduced chromatic aberrations and color fringing for improved clarity and color accuracy. Additionally, adding to the versatility, an RXD stepping motor enables quick, near-silent autofocus performance to suit stills and video, along with a full-time manual focus override and a minimum focusing distance of 7.5". Versatile wide-angle zoom is designed for full-frame Sony E-mount mirrorless cameras, however, can also be used with APS-C models where it will provide a 25.5-42mm equivalent focal length range. A moisture-resistant construction benefits this lens' use in inclement conditions and a fluorine coating has also been applied to the front lens element to protect against dust, dirt, and smearing.
Focal Length | 17 to 28mm |
Maximum Aperture | f/2.8 |
Minimum Aperture | f/22 |
Lens Mount | Sony E |
Format Compatibility | Full-Frame |
Angle of View | 103° 41' to 75° 23' |
Minimum Focus Distance | 7.48" / 19 cm |
Maximum Magnification | 0.19 to 0.17x |
Macro Reproduction Ratio | 1:5.2 |
Optical Design | 13 Elements in 11 Groups |
Diaphragm Blades | 9, Rounded |
Focus Type | Autofocus |
Filter Size | 67 mm (Front) |
Dimensions (ø x L) | 2.87 x 3.9" / 73 x 99 mm |
Weight | 14.82 oz / 420 g |