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

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Specifications	Tamron 20mm f/2.8 Di III OSD Lens

Year Introduced	2019
Mounts On	Full-Frame, APS-C
Lenses / Groups	10/9
Angle of View: Diagonal	94° 30'

Aperture
Aperture Range - Wide / Long	f/2.8-22
Number of Aperture Blades	7
Rounded Aperture?	Y

Weight
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)

Size
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

Focus
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
Spec Min Focus Distance (Wide / Long)	4.29” (109mm)
Tested Min Focus Distance (Wide / Long)	4.37” (111mm)
Maximum Magnification	0.50x

Features
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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