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

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

Product Code: 9242218N


The Tamron 11-20mm Di III-A RXD Lens for Sony E-mount APS-C mirrorless cameras is the world's first ultra wide f/2.8 zoom that comes packed with technology including stunning close shooting performance

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We Love

  • World’s brightest ultra wide angle zoom lens with fast constant f/2.8 aperture
  • Extremely high quality image and video results from an advanced optical design
  • Versatile focal range as well as very close short focal distances for versatility
  • Weather resistant design for outdoor photography even during poor conditions
  • Fully compatible with Sony AF systems along with fast, quiet and accurate RXD focus system
Reasons to buy from Park Cameras

Tamron 11-20mm f/2.8 Di III-A RXD Lens Summary

Tamron’s 11-20mm Di III-A RXD Lens for Sony E-mount APS-C mirrorless cameras is the world's first ultra wide f/2.8 zoom. It comes packed with technology including extremely close shooting capabilities of just 15cm to provide a versatile zoom for a range of subjects and dynamic ultra wide compositions. The lens harnesses Sony system features including Hybrid AF and Eye AF whilst remaining extremely compact at 86.2mm in length, weighing just 335g with a 67mm filter size.

Optics included in the 11-20mm Di III-A RXD deliver high resolution across the entire image thanks a series of special elements. With an equivalent focal zoom of 16.5mm - 30mm (full frame) this lens will suit subjects such as Astrophotography, landscapes, architecture and interiors amongst other genres.

Features at a glance

  • World’s brightest aperture ultra wide zoom for Sony crop sensor mirrorless cameras
  • Extremely compact and lightweight design for maximum portability
  • Responsive AF with RXD (Rapid eXtra-silent stepping D
  • Versatile focal width zoom with close-focus of 15cm (wide end) to 24cm at the zoom end
  • Outstanding results for photo and video
  • Moisture-Resistant Construction and Fluorine Coating

Tamron 11-20mm f/2.8 Di III-A RXD Lens For Sony E in More Detail

Bright optics

Tamron’s 11-20mm lens is the world's first constant f/2.8 ultra-wide-angle zoom lens for APS-C mirrorless cameras. Despite this claim it remains compact, lightweight and very practical. With its usefulness derived from a compact, lightweight design with fast aperture the 11-20mm provides an exciting shooting experience with greater freedom in diverse shooting situations including low light.

Compact and lightweight

The 11-20mm is only 86.2mm long and weighs just 335g. which is a remarkably compact and lightweight combination for this type of wide angle lens. When used with an APS-C mirrorless camera it enables photographers to enjoy a responsive system without being hindered by size or weight. It provides a comfortable user experience for still photography and for shooting video using a small tripod or gimbal stabiliser.

Excellent optical performance

The 11-20mm construction includes 12 glass elements arranged into 10 groups. Two precisely located GM (Glass Moulded Aspherical) lens elements assure high resolution across the entire image. In addition, the lens incorporates one XLD (eXtra Low Dispersion) and two LD (Low Dispersion) elements to produce sharp images with well controlled optical aberrations. It also features the BBAR-G2 (Broad-Band Anti-Reflection Generation 2) Coating that suppresses ghosting and flare to a minimum level and reveals the minute details of objects even when the subject is backlit. This also results in pleasingly high contrast well saturated colours.

Close Focus Capabilities

This model boasts an MOD (Minimum Object Distance) of just 15cm at 11mm focal length and 24cm at the 20mm end. This results in more versatile close-up performance than existing ultra-wide-angle zoom lenses at their widest focal length. At the widest 11mm setting it has an astonishing maximum magnification ratio of 1:4 that enables wide-angle macro photography that exploits the perspective unique to ultra-wide-angle lenses, while also leveraging the expressive bokeh provided by the fast, bright maximum aperture of this lens.

Quiet and fast RXD focussing for stills and video

The RXD (Rapid eXtra-silent stepping Drive) uses an actuator to precisely control the angle of the motor allowing it to directly drive the focusing lens without passing through a reduction gear. A sensor that precisely detects the position of the lens enables high-speed and accurate AF, which is ideal when shooting continually moving subjects or recording video.

Moisture-Resistant Construction and Fluorine Coating

In support of outdoor photography the lens includes Tamron’s Moisture resistant construction. The front surface of the lens element is also coated with a protective fluorine compound that is water- and oil-repellant.


What’s in the box

  • Tamron 11-20mm f/2.8 Di III-A RXD Lens For Sony E crop sensor
  • Flower-shaped hood
  • Lens caps

Optional Accessories


Tamron 11-20mm f/2.8 Di III-A RXD Lens For Sony E Specifications

Focal Length: 11-20mm
Maximum Aperture: F2.8
Angle of View (diagonal): 105° 20'-71° 35' (for APS-C mirrorless format)
Optical Construction: 12 elements in 10 groups
Minimum Object Distance: 0.15m /5.9 in (WIDE), 0.24m /9.4 in (TELE)
Maximum Magnification Ratio: 1:4 (WIDE) / 1:7.6 (TELE)
Filter Size: φ67mm
Maximum Diameter: φ73mm
Length*: 86.2mm
Weight: 335g
Aperture Blades: 7 (circular diaphragm)**
Minimum Aperture: F16
Standard Accessories: Flower-shaped hood, Lens caps
Compatible Mounts: Sony E-mount
Offers: Bundles
Offer Category: N/A
Offer Product Type: N/A
Autofocus: N/A
Aperture ring: N/A
Constant Aperture: N/A
Lens CIPA Image stabilization rating: N/A
Colour: N/A
Diameter (mm): N/A
Length (mm): N/A
Weight (g): N/A
Distance scale: N/A
DoF scale: N/A
Elements: N/A
Environmental Sealing: N/A
Focus distance limiter: N/A
Focal length: N/A
Focus method: N/A
Filter Thread: N/A
Full time manual: N/A
Groups: N/A
Hood supplied: N/A
Lens Image stabilization: N/A
Lens mount: Sony E
Lens Materials: N/A
Maximum focal length: N/A
Maximum magnification: N/A
Maximum aperture (number): N/A
Maximum aperture (text): N/A
Max Format size: N/A
Minimum focal length: N/A
Lens Minimum focus distance (m): N/A
Minimum aperture (number): N/A
Minimum aperture (text): N/A
Motor type: N/A
Number of diaphragm blades: N/A
Power zoom: N/A
Special elements / coatings: N/A
Tripod collar: N/A
Lens type: N/A
Zoom lock: N/A
Zoom method: N/A
Notes: N/A

Looking to sell your Tamron 11-20mm f/2.8 Di III-A RXD Lens For Sony E?

Our Verdict

With several new releases the Tamron lens range for Sony cameras is growing rapidly with high quality third party options. This 11-20mm Di III-A RXD Lens joins the line-up demonstrating excellent performance even during low light situations thanks to the brightest aperture for an ultra wide zoom in the world at the time of launch. Despite including a host of optical elements to ensure sharp high resolution image and video, the lens remains compact and lightweight, perfectly suited to Sony compact APS-C size cameras. The lens has a fast and quiet focus motor for content creators who utilise Sony’s advanced AF systems which performs well again for stills and movie capture.

Ultra wide angle lenses will typically be used for landscape, astro and other outdoor subjects, so users will be rewarded with excellent versatility from a great focal range as well as extremely close-focus capabilities. This opens up compositional opportunities to create dynamic and compelling images with close-up foreground subjects. Comprehensive weather resistance has also been added to cater for outdoor use, along with Tamron’s fluorine coatings on the front of the glass. If you’re a Sony shooter with a crop sensor camera this lens makes for a very interesting proposition for ultra wide subjects when high quality results are desired and comes throughly recommended.



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Condition guide

Our used products are subject to wear and tear in comparison to brand new products. This also applies to accessories that are supplied with the camera including batteries which may have a lower optimum performance level/life expectancy.

  • Like New – The equipment is in a condition as if you have just bought it from the manufacturer. The item is still considered to be ‘Like New’ even without the original packaging. The product has been fully tested and is in perfect working order.
  • Excellent – The equipment should be close to being ‘Like New’ but there may be some small cosmetic blemishes that lower its grade. The product has been fully tested and is in perfect excellent order.
    • Cameras – Should have no marks on the LCD screen
    • Lenses – Should have no marks on the elements or dust within the lens
  • Very Good – The equipment may have some slight cosmetic wear to the paintwork and cosmetic blemishes  with only light signs of use and the product has been fully tested and is in great working order.
    • Cameras – The LCD screen may have small signs of wear that does not affect its display
    • Lenses – The mount of the lens will start to show signs of wear
  • Good – The equipment is showing more obvious signs of cosmetic wear and blemishes, but the product has been fully tested and is in great working order.
    • Cameras – LCD screen may have scratches or wear that is starting to affect the display.
    • Lenses – May have slight dust inside that does not affect images. The mount shows signs of use.
  • Well Used – The equipment will show significant signs of wear. The paintwork will be coming away in large areas exposing the metal work, but the product has been fully tested and is in great working order.
    • Cameras – LCD screen is heavily worn either by de-lamination or has scratches to it. Rubber grips are starting to come away from the body.
    • Lenses – The lens has dust inside that may affect images. The rubber zoom/focus ring is coming away from the barrel of the lens.

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