Sigma 10-18mm F2.8 DC DN Contemporary Lens Compared to the Tamron 11-20mm F/2.8 Di III-A RXD Lens

SpecificationsSigma 10-18mm F2.8 DC DN Contemporary LensTamron 11-20mm F/2.8 Di III-A RXD Lens
  Sigma 10-18mm F2.8 DC DN Contemporary Lens Tamron 11-20mm F/2.8 Di III-A RXD Lens
Year Introduced20232021
Mounts OnAPS-CAPS-C
Lenses / Groups13/1012/10
Angle of View: Diagonal109.7°-76.5°105° 20' - 71° 35'
 
Aperture  
Aperture Range - Wide / Long f/2.8-22 f/2.8-16
Number of Aperture Blades 7 7
Rounded Aperture? Y Y
 
Weight  
Manufacturer Specification Weight 9 oz  (255g) 11.8 oz  (335g)
Actual Weight 8.9 oz  (252g) 11.8 oz  (333.5g)
Lens Hood Weight 0.6 oz  (17.8g) 0.8 oz  (22.1g)
In-Use Weight 9.5 oz  (269.8g) 12.6 oz  (355.6g)
 
Size  
Manufacturer Spec Size (DxL) 2.83 x 2.52”  (72 x 64mm) 2.87 x 3.39”  (73 x 86.2mm)
Measured Size (DxL) 2.84 x 2.74”  (72 x 69.7mm) 2.87 x 3.59”  (73 x 91.3mm)
Max Length at Full Extension 3.05”  (77.4mm) 3.84”  (97.6mm)
Internal Zoom? / Extends with Zoom? N / Y N / Y
Zoom Extension Length 0.3”  (7.7mm) 0.25”  (6.3mm)
Internal Focusing? / Extends with Focusing? Y / N Y / N
Lens Hood Size (DxL) 3.12 x 1.09”  (79.3 x 27.8mm) 3.41 x 1.28”  (86.7 x 32.5mm)
Lens Length with Hood (Min-Max) 3.45 - 3.75”  (87.6 - 95.3mm) 4.56 - 4.8”  (115.7 - 122mm)
Size of Rings: Focus / Zoom 0.5” / 0.68”  (12.7mm / 17.3mm) 0.45” / 1.07”  (11.4mm / 27.1mm)
Filter Size 67mm  UV ► CP ► 67mm  UV ► CP ►
Front Element (Filter Mount) Rotates N N
 
Focus  
AF Motor Type Stepping Motor RXD
Full Time Manual Focus Y Y
Focus Ring Rotation 600° 800°
Focus Limiter? / Focus Limiter Ranges N N
Distance Scale? / Type N N
 
Close Focus  
Spec Min Focus Distance (Wide / Long) 4.57” / 7.52”  (116mm / 191mm) 5.91” / 9.45”  (150mm / 240mm)
Tested Min Focus Distance (Wide / Long) 4.33” / 6.1”  (110mm / 155mm)
Maximum Magnification 0.25x 0.25x
 
Features  
Zoom Ring Rotation 60° 60°
Tripod Ring Included? / Removable? N N
Lens Hood Included / Model? Y / LH706-02 Buy ► Y / HA046 Buy ►
Weather Sealed? / Filter Required? N Y /
Image Stabilization? / Stops? / Tripod Sensing? N N
Extender Compatible? N N
Case Included? / Type? N / N /
47.25" x 31.5" Subject Framing Distance 10mm = 1.82'
12mm = 2.17'
14mm = 2.56'
16mm = 2.94'
18mm = 3.24'
On APS-C DSLR:
11mm = 2.14'
14mm = 2.66'
16mm = 3.03'
18mm = 3.40'
20mm = 3.65'
1200mm x 800mm Subject Framing Distance 10mm = 555mm
12mm = 661mm
14mm = 780mm
16mm = 896mm
18mm = 987mm
On APS-C DSLR:
11mm = 653mm
14mm = 812mm
16mm = 924mm
18mm = 1037mm
20mm = 1113mm
 
Review Sigma 10-18mm F2.8 DC DN Contemporary Lens Tamron 11-20mm F/2.8 Di III-A RXD Lens
 
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