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Tamron Di III 20mm F/2.8 OSD M1:2 Lens
For Sony E Mount

Weatherproof - Seals protect from dust, humidity and light splashing.Weatherproof - Seals protect from dust, humidity and light splashing.Fixed focal-length. No zoom.Fixed focal-length. No zoom.Rectilinear are normal lenses that show straight lines as straight lines.Rectilinear are normal lenses that show straight lines as straight lines.Thread size in milimeters for screw-on filters.Thread size in milimeters for screw-on filters.67Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).

Lens Description

The Tamron Di III 20mm F/2.8 OSD M1:2 is an ultra-wide prime designed for cameras with Full-Frame sensors. This bright prime has a 20mm focal-length. The body of this lens is weatherproof against adverse weather such as rain and snow. It has sealing to prevent entry of water and dust.

This prime is capable of focusing down to 11cm from the imaging plane which gives it a maximum magnification of 0.5X. The lens offers a Quick-Shift AF system which lets the user simply rotate the focus-ring to focus manually. A built-in focus motor is used to set the focus-distance. It allowed Tamron to optimize the motor precisely for this lens in order to maximize performance.

This lens is only available for Sony E. Follow this link to see all current compatible digital cameras: Sony E mount cameras with Full-Frame or larger sensor.

Tamron Di III 20mm F/2.8 OSD M1:2

Tamron Di III 20mm F/2.8 OSD M1:2 Specifications

Brand Tamron Model Di III 20mm F/2.8 OSD M1:2
Mount Sony E Max FLM 1X
Focal Length 20mm View Angle 94°
Max ApertureF/2.8Min ApertureF/22
Min Focus11cmMagnification0.5X
Filter Size67mm Aperture Blades7
Size (D x L)73 x 64mm Weight220g
TiltN / A ShiftN / A
Stabilization ProtectionWeatherproof
Zoom Drive Mechanic Focus Drive AF with quick-shift
Zoom Mechanism N / A Focus Mechanism Internal
Hood Bayonet Focus Motor Internal
Perspective RectilinearIntroduced2019-10-23

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Tamron 20mm F/2.8 Facts


Weatherproof - Seals protect from dust, humidity and light splashing.Weatherproof - Seals protect from dust, humidity and light splashing.Fixed focal-length. No zoom.Fixed focal-length. No zoom.Rectilinear are normal lenses that show straight lines as straight lines.Rectilinear are normal lenses that show straight lines as straight lines.Thread size in milimeters for screw-on filters.Thread size in milimeters for screw-on filters.67Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).Quick-Shift Autofocus, also called Direct Manual-Focus (DMF).
20mm Focal-Length F/2.8 Constant Aperture
67mm Filter Thread AF with quick-shift
Sony E Mount 1 Max Crop-Factor
220g Lens Weight 73 x 64mm (D x L)
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