Sony FE 20mm F1.8 G Lens Compared to the Tamron 20mm f/2.8 Di III OSD M1:2 Lens

SpecificationsSony FE 20mm F1.8 G LensTamron 20mm f/2.8 Di III OSD M1:2 Lens
  Sony FE 20mm F1.8 G Lens Tamron 20mm f/2.8 Di III OSD M1:2 Lens
Year Introduced20202019
Mounts OnFull-Frame, APS-CFull-Frame, APS-C
Lenses / Groups14/1210/9
Angle of View: Diagonal94°94° 30'
 
Aperture  
Aperture Range - Wide / Long f/1.8-22 f/2.8-22
Number of Aperture Blades 9 7
Rounded Aperture? Y Y
 
Weight  
Manufacturer Specification Weight 13.2 oz  (373g) 7.8 oz  (221g)
Actual Weight 13.2 oz  (375g) 7.8 oz  (220g)
Lens Hood Weight 0.7 oz  (20g) 0.7 oz  (20g)
In-Use Weight 13.9 oz  (395g) 8.5 oz  (240g)
 
Size  
Manufacturer Spec Size (DxL) 2.89 x 3.33”  (73.5 x 84.7mm) 2.87 x 2.5”  (73 x 63.5mm)
Measured Size (DxL) 2.9 x 3.57”  (74 x 90.7mm) 2.87 x 2.74”  (73 x 69.6mm)
Max Length at Full Extension 3.57”  (90.7mm) 2.74”  (69.6mm)
Internal Focusing? / Extends with Focusing? Y / N Y / N
Lens Hood Size (DxL) 3.28 x 1.1”  (83.4 x 28mm) 3.42 x 1.04”  (86.8 x 26.5mm)
Lens Length with Hood (Min-Max) 4.37 - 4.37”  (111.1 - 111.1mm) 3.48 - 3.48”  (88.4 - 88.4mm)
Size of Rings: Focus / Zoom 0.8”  (20.3mm) 0.69”  (17.5mm)
Filter Size 67mm  UV ► CP ► 67mm  UV ► CP ►
Front Element (Filter Mount) Rotates N N
 
Focus  
AF Motor Type Dual XD Linear OSD
Full Time Manual Focus Y Y
Focus Ring Rotation 165° 270°
Focus Limiter? / Focus Limiter Ranges N N
Distance Scale? / Type N N
 
Close Focus  
Specified Min Focus Distance 7.09”  (180mm) 4.29”  (109mm)
Tested Min Focus Distance (Wide / Long) 6.42”  (163mm) 4.37”  (111mm)
Maximum Magnification (MM) 0.20x 0.50x
 
Features  
Tripod Ring Included? / Removable? N /
Lens Hood Included / Model? Y / ALC-SH162 Buy ► Y / HF050 Buy ►
Weather Sealed? / Filter Required? Y / Y /
Image Stabilization? / Stops? / Tripod Sensing? N N
Extender Compatible? N N
Case Included? / Type? Y / Pouch N /
47.25" x 31.5" Subject Framing Distance 20mm = 2.42' 20mm = 2.14'
1200mm x 800mm Subject Framing Distance 20mm = 737mm 20mm = 652mm
 
Review Sony FE 20mm F1.8 G Lens Tamron 20mm f/2.8 Di III OSD M1:2 Lens
 
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