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Tamron 11-20mm f/2.8 Di III-A RXD Lens (Sony E)

BH #TA1120S • MFR #AFB060S-700
Tamron 11-20mm f/2.8 Di III-A RXD Lens (Sony E)
Key Features
  • APS-C | f/2.8 to f/16
  • 16.5-30mm (35mm Equivalent)
  • Fast Ultra-Wide Angle Zoom
  • Rapid eXtra Silent Stepping Drive Motor
The dynamic 11-20mm F/2.8 Di III-A2 RXD Lens from Tamron is a fast-aperture ultra wide-angle zoom lens for Sony E-mount APS-C mirrorless cameras. It features a fast and constant f/2.8 maximum aperture and has a compact and lightweight design. This ultra-wide lens is particularly suitable for landscape, astrophotography, and architectural shooting. Its bright f/2.8 aperture complements this range and affords increased control over depth of field along with enhanced low-light performance. The optical design incorporates one XLD element, two LD elements, and two glass-molded aspherical elements to produce a highly corrected image with reduced chromatic aberrations and color fringing for improved clarity and color accuracy. Individual elements also feature Tamron's BBAR coating, which suppresses flare and ghosting for greater contrast when working in backlit and harsh lighting conditions. A responsive RXD stepping drive motor enables quick, near silent autofocus performance to suit stills and video. The minimum object distance is just 5.9" at the widest end of the zoom range, unlocking powerful wide-angle macro shooting capability with a unique perspective that makes near objects look larger, and distant objects smaller. Additionally, the f/2.8 maximum aperture produces a shallower depth-of-field that creates soft bokeh background details. Moisture-resistant construction protect the lens under inclement conditions, and a fluorine coating on the front lens element protects against dust, dirt, and smearing.
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Tamron 11-20mm f/2.8 DI III-A Overview

By B&H Photo's
The dynamic 11-20mm F/2.8 Di III-A2 RXD Lens from Tamron is a fast-aperture ultra wide-angle zoom lens for Sony E-mount APS-C mirrorless cameras. It features a fast and constant f/2.8 maximum aperture and has a compact and lightweight design. This ultra-wide lens is particularly suitable for landscape, astrophotography, and architectural shooting. Its bright f/2.8 aperture complements this range and affords increased control over depth of field along with enhanced low-light performance. The optical design incorporates one XLD element, two LD elements, and two glass-molded aspherical elements to produce a highly corrected image with reduced chromatic aberrations and color fringing for improved clarity and color accuracy. Individual elements also feature Tamron's BBAR coating, which suppresses flare and ghosting for greater contrast when working in backlit and harsh lighting conditions. A responsive RXD stepping drive motor enables quick, near silent autofocus performance to suit stills and video. The minimum object distance is just 5.9" at the widest end of the zoom range, unlocking powerful wide-angle macro shooting capability with a unique perspective that makes near objects look larger, and distant objects smaller. Additionally, the f/2.8 maximum aperture produces a shallower depth-of-field that creates soft bokeh background details. Moisture-resistant construction protect the lens under inclement conditions, and a fluorine coating on the front lens element protects against dust, dirt, and smearing.
Versatile ultra wide-angle zoom for Sony E-mount APS-C-format mirrorless cameras with a 35mm equivalent focal length range of 16.5-30mm.
Bright, constant f/2.8 maximum aperture affords consistent brightness throughout the zoom range and offers improved control over depth of field.
XLD (eXtra Low Dispersion), LD (Low Dispersion), and GM (Glass-Molded Aspherical) elements greatly reduce color fringing, chromatic aberrations, and image distortion throughout the zoom range for improved clarity and color accuracy.

BBAR-G2 (Broad-Band Anti-Reflection) Coating has been applied to lens elements to suppress internal reflections, flare, and ghosting to achieve greater contrast and color fidelity.

RXD (Rapid eXtra-silent stepping Drive) autofocus motor delivers impressively quiet, quick, and smooth focusing performance to suit both still and video applications.
The minimum focusing distance of 5.9" at 11mm makes it possible to explore dynamic wide-angle macro imaging, making close objects appear larger and distant objects smaller. Additionally, using the f/2.8 maximum aperture produces a shallow depth of field with soft bokeh background details.
Designed and built with moisture-resistant construction for use in inclement conditions, plus a fluorine coating on the front lens element to protect against dust, dirt, and smearing.

Rounded seven-blade diaphragm contributes to a pleasing bokeh quality.

Tamron 11-20mm f/2.8 DI III-ASpecs

Key Specs
Focal Length
11 to 20mm (35mm Equivalent: 16.5 to 30mm)
Maximum Aperture
f/2.8
Lens Mount
Sony E
Lens Format Coverage
APS-C
Focus Type
Autofocus
Image Stabilization
No
Filter Size
67 mm (Front)
Maximum Aperture
f/2.8
Minimum Aperture
f/16
Lens Mount
Sony E
Lens Format Coverage
APS-C
Angle of View
105° 20' to 71° 35'
Minimum Focus Distance
5.9" / 15 cm
Maximum Magnification
0.25x
Macro Reproduction Ratio
1:4
Optical Design
12 Elements in 10 Groups
Diaphragm Blades
7, Rounded
Focus Type
Autofocus
Image Stabilization
No
Filter Size
67 mm (Front)
Dimensions (ø x L)
2.9 x 3.4" / 73 x 86.2 mm
Weight
11.8 oz / 335 g
Packaging Info
Package Weight
1.335 lb
Box Dimensions (LxWxH)
6.4 x 5.5 x 4.9"

Tamron 11-20mm f/2.8 DI III-A Reviews

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