Specifications | Canon EF 28-70mm f/2.8L USM Lens | Sigma 24-70mm f/2.8 EX DG HSM Lens |
---|---|---|
Year Introduced | 1993 | 2008 |
Year Discontinued | 2002 | |
Mounts On | Full-Frame, APS-C | Full-Frame, APS-C |
Lenses / Groups | 16/11 | 14/12 |
Angle of View: Diagonal | 84.1° - 34.3° | |
Aperture | ||
Aperture Range - Wide / Long | f/2.8-22 | f/2.8-22 |
Number of Aperture Blades | 8 | 9 |
Rounded Aperture? | ||
Weight | ||
Manufacturer Specification Weight | 31.1 oz  (880g) | 27.9 oz  (790g) |
Actual Weight | 29.3 oz  (830g) | 27.7 oz  (785g) |
Lens Hood Weight | 1.6 oz  (45g) | 1.1 oz  (30g) |
In-Use Weight | 30.9 oz  (875g) | 28.8 oz  (815g) |
Size | ||
Manufacturer Spec Size (DxL) | 3.28 x 4.63”  (83.2 x 117.6mm) | 3.41 x 3.73”  (86.6 x 94.7mm) |
Measured Size (DxL) | 3.35 x 4.91”  (85 x 124.8mm) | 3.48 x 4.03”  (88.4 x 102.3mm) |
Max Length at Full Extension | 5.8”  (147.2mm) | 5.1”  (129.5mm) |
Internal Zoom? / Extends with Zoom? | N / Y | N / Y |
Zoom Extension Length | 0.88”  (22.4mm) | 1.07”  (27.2mm) |
Internal Focusing? / Extends with Focusing? | Y / N | Y / N |
Lens Hood Size (DxL) | 4.12 x 3.28”  (104.6 x 83.4mm) | 4 x 1.79”  (101.7 x 45.5mm) |
Lens Length with Hood (Min-Max) | 7.37 - 15.63”  (187.3 - 396.9mm) | 5.51 - 6.58”  (139.9 - 167.1mm) |
Size of Rings: Focus / Zoom | 0.81” / 0.92”  (20.7mm / 23.4mm) | 0.6” / 1.15”  (15.2mm / 29.3mm) |
Filter Size | 77mm UV ► CP ► | 82mm UV ► CP ► |
Front Element (Filter Mount) Rotates | N | N |
Focus | ||
AF Motor Type | Ring USM | HSM |
Full Time Manual Focus | Y | Y |
Focus Ring Rotation | 150° | 78° |
Focus Limiter? / Focus Limiter Ranges | N | N |
Distance Scale? / Type | Y / Window | Y / Window |
Close Focus | ||
Specified Min Focus Distance | 19.69”  (500mm) | 14.96”  (380mm) |
Tested Min Focus Distance (Wide / Long) | 19.06” / 18.39”  (484mm / 467mm) | 13.23” / 12.8”  (336mm / 325mm) |
Maximum Magnification (MM) | 0.18x | 0.19x |
Magnification Range with 12mm Ext Tube | ||
Magnification Range with 25mm Ext Tube | ||
Features | ||
Zoom Ring Rotation | 55° | 50° |
Tripod Ring Included? / Removable? | N | N |
Zoom Ring Lock Switch? | N | |
Lens Hood Included / Model? | Y / EW-83BII Buy ► | Y / |
Weather Sealed? / Filter Required? | N | N |
Image Stabilization? / Stops? / Tripod Sensing? | N | N |
Extender Compatible? | N | N |
Case Included? / Type? | Y / | Y / Padded Nylon |
47.25" x 31.5" Subject Framing Distance | 28mm = 3.63' 35mm = 4.31' 50mm = 6.09' 70mm = 8.05' |
24mm = 2.88' 28mm = 3.20' 35mm = 4.02' 50mm = 5.68' 70mm = 7.51' |
1200mm x 800mm Subject Framing Distance | 28mm = 1106mm 35mm = 1315mm 50mm = 1855mm 70mm = 2453mm |
24mm = 878mm 28mm = 977mm 35mm = 1226mm 50mm = 1731mm 70mm = 2290mm |
Review | Canon EF 28-70mm f/2.8L USM Lens | Sigma 24-70mm f/2.8 EX DG HSM Lens |
Buy Now ► | Buy Now ► |