Tamron 20mm f/2.8 Di III OSD Lens Specifications and Measurements

SpecificationsTamron 20mm f/2.8 Di III OSD Lens
  Tamron 20mm f/2.8 Di III OSD Lens
Year Introduced2019
Mounts OnFull Frame, APS-C
Lenses / Groups10/9
Angle of View: Diagonal94° 30'
Aperture Range - Wide / Long f/2.8-22
Number of Aperture Blades 7
Rounded Aperture? Y
Manufacturer Specification Weight 7.8 oz  (221g)
Actual Weight 7.8 oz  (220g)
Lens Hood Weight 0.7 oz  (20g)
In-Use Weight 8.5 oz  (240g)
Manufacturer Spec Size (DxL) 2.87 x 2.5”  (73 x 63.5mm)
Measured Size (DxL) 2.87 x 2.74”  (73 x 69.6mm)
Max Length at Full Extension 2.74”  (69.6mm)
Internal Focusing? / Extends with Focusing? Y / N
Lens Hood Size (DxL) 3.42 x 1.04”  (86.8 x 26.5mm)
Lens Length with Hood (Min-Max) 3.48 - 3.48”  (88.4 - 88.4mm)
Size of Rings: Focus / Zoom 0.69”  (17.5mm)
Filter Size 67mm  UV ► CP ►
Front Element (Filter Mount) Rotates N
AF Motor Type OSD
Full Time Manual Focus Y
Focus Ring Rotation 270°
Focus Limiter? / Focus Limiter Ranges N
Distance Scale? / Type N
Close Focus  
Specified Min Focus Distance 4.29”  (109mm)
Tested Min Focus Distance (Wide / Long) 4.37”  (111mm)
Maximum Magnification (MM) 0.50x
Lens Hood Included / Model? Y / HF050 Buy ►
Weather Sealed? / Filter Required? Y /
Image Stabilization? / Stops? / Tripod Sensing? N
Extender Compatible? N
Case Included? / Type? N /
47.25" x 31.5" Subject Framing Distance 20mm = 2.14'
1200mm x 800mm Subject Framing Distance 20mm = 652mm
Review Tamron 20mm f/2.8 Di III OSD Lens
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