Sigma 24-70mm f/2.8 DG DN Art Lens Compared to the Tamron 28-75mm f/2.8 Di III RXD Lens

SpecificationsSigma 24-70mm f/2.8 DG DN Art LensTamron 28-75mm f/2.8 Di III RXD Lens
  Sigma 24-70mm f/2.8 DG DN Art Lens Tamron 28-75mm f/2.8 Di III RXD Lens
Year Introduced20192018
Mounts OnFull-Frame, APS-CFull-Frame, APS-C
Lenses / Groups19/1515/12
Angle of View: Diagonal84.1° - 34.3°75° 23' - 32° 11'
 
Aperture  
Aperture Range - Wide / Long f/2.8-22 f/2.8-22
Number of Aperture Blades 11 9
Rounded Aperture? Y Y
 
Weight  
Manufacturer Specification Weight 29.5 oz  (835g) 19.4 oz  (550g)
Actual Weight 29 oz  (822.9g) 19.1 oz  (540g)
Lens Hood Weight 2 oz  (55.7g) 0.9 oz  (25g)
In-Use Weight 31 oz  (878.6g) 19.9 oz  (565g)
 
Size  
Manufacturer Spec Size (DxL) 3.46 x 4.84”  (87.8 x 122.9mm) 2.87 x 4.64”  (73 x 117.8mm)
Measured Size (DxL) 3.45 x 5.13”  (88 x 130.3mm) 2.87 x 4.84”  (72.8 x 123mm)
Max Length at Full Extension 6.4”  (162.5mm) 5.82”  (147.9mm)
Internal Zoom? / Extends with Zoom? N / Y N / Y
Zoom Extension Length 1.27”  (32.2mm) 0.98”  (24.9mm)
Internal Focusing? / Extends with Focusing? Y / N Y / N
Lens Hood Size (DxL) 4.15 x 1.73”  (105.4 x 43.9mm) 3.41 x 1.43”  (86.7 x 36.4mm)
Lens Length with Hood (Min-Max) 6.57 - 7.83”  (166.8 - 199mm) 5.99 - 6.97”  (152.1 - 177mm)
Size of Rings: Focus / Zoom 1.1” / 1.03”  (28mm / 26.1mm) 0.57” / 1.46”  (14.6mm / 37.2mm)
Filter Size 82mm  UV ► CP ► 67mm  UV ► CP ►
Front Element (Filter Mount) Rotates N N
 
Focus  
AF Motor Type Stepping Motor RXD Stepping
Full Time Manual Focus Y Y
Focus Ring Rotation 320° 1440°
Focus Limiter? / Focus Limiter Ranges N N
Distance Scale? / Type N N
 
Close Focus  
Specified Min Focus Distance 7.09”  (180mm) 7.48”  (190mm)
Tested Min Focus Distance (Wide / Long) 6.77” / 11.14”  (172mm / 283mm) 7.24” / 15.12”  (184mm / 384mm)
Maximum Magnification (MM) 0.34x 0.34x
 
Features  
Zoom Ring Rotation 65° 60°
Tripod Ring Included? / Removable? N N
Zoom Ring Lock Switch? Y N
Lens Hood Included / Model? Y / LH878-03 Buy ► Y / HA036 Buy ►
Weather Sealed? / Filter Required? Y / Y /
Image Stabilization? / Stops? / Tripod Sensing? N N
Extender Compatible? N N
Case Included? / Type? Y / Padded Nylon N /
47.25" x 31.5" Subject Framing Distance 24mm = 2.90'
35mm = 4.18'
50mm = 5.91
70mm = 7.91'
28mm = 3.39'
35mm = 4.12'
50mm = 5.95'
75mm = 8.49'
1200mm x 800mm Subject Framing Distance 24mm = 883mm
35mm = 1274mm
50mm = 1800mm
70mm = 2412mm
28mm = 1032mm
35mm = 1255mm
50mm = 1813mm
70mm = 2588mm
 
Review Sigma 24-70mm f/2.8 DG DN Art Lens Tamron 28-75mm f/2.8 Di III RXD Lens
 
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