# Tamron 20mm f/2.8 Di III OSD M 1:2 Lens for Sony E

URL: https://camerashop.com.eg/product/tamron-20mm-f-2-8-di-iii-osd-m-12-lens-for-sony-e/
Language: en
Availability: in stock
SKU: 2420
Price: 14850 EGP

Tamron 20mm f/2.8 Di III OSD M 1:2 Sony E-mount prime lens with macro capability, LD optics, and moisture-resistant build for full-frame mirrorless shooters.

The **Tamron 20mm f/2.8 Di III OSD M 1:2 Lens for Sony E** is a sleek, ultra-wide prime built for full-frame Sony E-mount mirrorless cameras, delivering exceptional image quality in a compact, lightweight body. With its f/2.8 maximum aperture, three Low Dispersion elements, one aspherical element, and BBAR coating, this lens produces sharp, high-contrast images free from chromatic aberration, flare, and ghosting — making it an ideal everyday wide-angle companion.

Beyond traditional wide-angle photography, the Tamron 20mm f/2.8 Di III stands out with a remarkable 1:2 macro magnification ratio and a 4.3-inch minimum focusing distance, opening the door to striking close-up work. The OSD stepping motor ensures fast, quiet, and precise autofocus, while a moisture-resistant construction and fluorine-coated front element keep the lens protected in challenging shooting conditions.

### Key features

- **Ultra-Wide Full-Frame Prime:** 20mm focal length designed for Sony E-mount full-frame cameras, also usable on APS-C bodies for a 30mm equivalent field of view.

- **Impressive Close-Up Capability:** 1:2 half life-size maximum magnification with a 4.3-inch minimum focusing distance lets you shoot compelling macro-style images without a dedicated macro lens.

- **Superior Optical Performance:** Three LD (Low Dispersion) elements and one molded glass aspherical element minimize chromatic aberrations, distortion, and spherical aberrations for outstanding sharpness and color fidelity.

- **Fast, Silent Autofocus:** OSD stepping motor delivers quick, precise, and near-silent autofocus with full-time manual focus override — perfect for both stills and video.

- **All-Weather Durability:** Moisture-resistant construction and a fluorine-coated front element protect against dust, dirt, smears, and inclement weather for reliable performance in the field.

- **Beautiful Bokeh:** A rounded 7-blade diaphragm produces smooth, aesthetically pleasing out-of-focus backgrounds to make your subjects pop.

### Specifications

Mount
Sony E-Mount (Full-Frame)

Focal Length
20mm

Maximum Aperture
f/2.8

Aperture Range
f/2.8 to f/22

Maximum Magnification
1:2 (Half Life-Size)

Minimum Focus Distance
4.3 inches

Autofocus Motor
OSD Stepping Motor

Optical Construction
3 LD Elements, 1 Aspherical Element

Diaphragm Blades
7 (Rounded)

Weather Sealing
Moisture-Resistant with Fluorine Coating

### Frequently asked questions

**Is the Tamron 20mm f/2.8 Di III compatible with Sony APS-C mirrorless cameras?**
Yes, while the lens is designed for full-frame Sony E-mount cameras, it is also compatible with APS-C Sony E-mount bodies, where it provides a 30mm equivalent focal length.

**Can this lens be used for macro or close-up photography?**
Absolutely. The Tamron 20mm f/2.8 Di III features a 1:2 half life-size maximum magnification ratio and a minimum focusing distance of just 4.3 inches, making it well-suited for close-up and near-macro shooting.

**Does the Tamron 20mm f/2.8 Di III have weather sealing?**
Yes, the lens features a moisture-resistant construction to handle shooting in wet or dusty conditions, and the front element is treated with a fluorine coating to resist dust, dirt, and smearing.