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Tamron 20mm f/2.8 Di III OSD Wide-Angle Prime Lens for Sony E-Mount

  • mfr: AFF050S700
  • SKU: THFF050
In Stock

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    *Orders placed before 3 PM EST Mon - Thur will ship the same day. Orders placed beyond these hours will be shipped the next business day. Exclusions apply. See shipping policy

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Product highlights

  • Focal length: 20mm
  • Aperture: f/2.8
  • Sony E mount lens
  • Full frame camera format
  • Maximum magnification ratio of 1:2
  • Accepts 67mm diameter filters
  • One molded glass aspherical lens
  • Three LD (Low Dispersion) lens elements
  • Moisture-resistant construction
  • Fluorine coating for easy cleaning

Tamron 20mm f/2.8 Di III OSD Wide-Angle Prime Lens for Sony E-Mount

The Tamron 20mm f/2.8 Di III OSD is an ultra-wide angle lens for Sony full-frame mirrorless cameras. It strikes a balance between gorgeous image rendering and superior operation. This lens also supports various camera features offered by certain Sony cameras, such as Fast Hybrid AF and Eye AF, and offers a multitude of advanced functions to ensure a pleasant shooting experience and fantastic results.

Capable of Focusing Very Close

With a minimum focusing distance of 0.11m and magnification ratio of 1:2, this fixed focal lens offers an enhanced close-focusing that lets get closer to your subject.

Lens Construction

The lens’ optical design utilizes 10 elements including one molded glass aspherical lens and three LD (Low Dispersion) lens elements.

Moisture-Resistant Construction

The Tamron 20mm f/2.8 comes with a moisture-resistant construction and features a fluorine coating on the front lens surface for easy maintenance and fingerprint removal.


Weight 220g
Color Black
Lens Mount Sony E-Mount
Maximum Aperture f/2.8
Minimum Aperture f/22
Focal Length 20mm
Maximum Magnification 0.5x
Angle of view 94 degree 30 feet
Minimum Focus Distance 0.11m (4.3 in)
Diaphragm Blades 7 (circular diaphragm)
Fixed Focal Length 20mm
Lens Format Full Frame Sensors
Lens Type Wide Angle


Customer Questions
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Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges. 
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days. 
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact [email protected] with your order number and a description of the damage. 
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at [email protected], or send us a message here.  
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead. 
If you ordered a kit, you must return all components and accessories to receive a full refund. 
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund. 
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900. 
Most items can be returned within 30 days for a full refund. Click here to read our full return policy. 

Shipping and Returns

Same Day Shipping

All orders placed by 4PM( EST), Monday through Thursday, and by 11AM (EST) on Friday, are shipped same day. Orders placed outside these times will ship the next business day. We do not ship internationally or to Puerto Rico, Guam and other US territories at this time. For more details click here.

Free Two-Day Shipping

We offer free expedited shipping on thousands of items within the continental USA (this does not include Alaska and Hawaii).

Flexible, Easy Returns

If you're not happy with your purchase for any reason, our flexible 30-day free return policy makes it easy to get a full refund. Click here to view our return policy.

Ratings and reviews

Tamron 20mm f/2.8 Di III OSD Wide-Angle Prime Lens for Sony E-Mount

Tamron 20mm f/2.8 Di III OSD Wide-Angle Prime Lens for Sony E-Mount SKU: THFF050

Rated 5 out of 5 by from Very Convenient Purchased this lens with the intention of using it for wide angle group shots. It did just the trick and saved me a lot of stress when it came time for everyone to squeeze into a photo. Small and lightweight as well!
Date published: 2022-07-25
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