Tamron 11-20mm F2.8 Di III-A RXD is an Auto Focus (AF)
Wideangle Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Sony FE mount cameras.
Lens Mount
Tamron 11-20mm F2.8 Di III-A RXD is compatible with cameras that have Sony FE lens mount.Some of the latest released cameras with Sony FE lens mount are
Sony A1,
Sony A7c and
Sony A7S III.
Sensor Coverage
Max sensor coverage of Tamron 11-20mm F2.8 Di III-A RXD is 35mm FF.
Focal Range
Tamron 11-20mm F2.8 Di III-A RXD has a focal range of 11-20mm and 1.8X zoom ratio. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 16.5 - 30mm.
Optical Image Stabilization
Tamron 11-20mm F2.8 Di III-A RXD doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Body Colour
Tamron 11-20mm F2.8 Di III-A RXD is available in color.
Aperture
Tamron 11-20mm F2.8 Di III-A RXD is a fixed aperture lens with a constant max aperture of f2.8 from 11mm all the way to the 20mm .
Optical Formula
Tamron 11-20mm F2.8 Di III-A RXD's optical formula consists of 12 elements in 10 groups. Following special elements are used in this design:
- 2 aspherical
- 1 XLD
- 2 LD elements
- BBAR-G2 coating