Sigma 20-40mm f/2.8 EX DG Aspherical For Canon



PRODUCT HIGHLIGHTS

  • Excellent optics, very useful range of focal lengths.
  • good optics - beautiful lens
  • Sharp at all focal lengths, little distortion at 20mm , excellent build quality
  • Build, Sharp, minor distortion
  • Optically very good with excellent build quality

$399.00
Sold Out - Backorder Available

$399.00
Sold Out - Backorder Available



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Sigma has created a 20-40mm lens with f/2.8 throughout its zoom range, from ultra-wide 94.5 degree to near-standard 56.8 degree angle of view, allowing photographers to shoot more creatively from various angles and zoom perspectives. With a fast f/2.8 maximum aperture, superior peripheral brightness is ensured. This lens is perfectly suited for indoors, even in dim light. These features also make this lens desirable for use with Digital SLR Cameras.

The 30cm minimum focusing distance is useful for closeups, giving photographers plenty of capability to use the zoom to adjust composition and concentrate on detail. Maximum magnification is 1:4.6. A short focus distance and a minimum aperture of f/22 provides greater depth of field.

Aspherical lens elements in front and rear lens groups compensate for astigmatic and spherical aberration, respectively. By reducing aberration to an absolute minimum, this lens overcomes a major impediment to zoom lens performance.

Among the practical high-performance features of the lens are DF (Dual Focus) mechanism for optimal handling stability during autofocus operation; a wider-than-conventional focus ring for superior manual focusing operation; and an inner focusing system that eliminates front lens rotation during focusing, and allows use of the standard petal-type hood accessory, which is excellent at blocking out extraneous light.

(4513927)


PRODUCT HIGHLIGHTS

  • Excellent optics, very useful range of focal lengths.
  • good optics - beautiful lens
  • Sharp at all focal lengths, little distortion at 20mm , excellent build quality
  • Build, Sharp, minor distortion
  • Optically very good with excellent build quality

Sigma 20-40mm f/2.8 EX DG Aspherical For Canon

Available mount(s) Canon EF, Nikon F, Pentax K, Sony / Minolta A, Sigma
Application(s) Portrait, Closeup, Landscape, Interiors, Architecture
Category(s) Standard zoom
Multiplier
Stabilizer no
Focal length 24 - 70 mm (2.9× zoom)
Lens construction 14 elements in 13 groups
Angle of view
  • 35mm: 84.1-34.3°
  • digital: 54.8-20.2°
Number of blades 9
Maximum aperture wide: f/2.8 tele: f/2.8
Minimum aperture wide: f/32 tele: N/A
Minimum focusing distance 40 cm
Magnification 0.26×
Filter size 82 mm
Size ∅ 88.7 × 115.5 mm
Weight 715 g

Notes

AF speed 0.3 sec. (from close up to infinity)
Internal focusing no
Internal zoom N/A
Fix front lens yes
Mount type metal
Weather sealed N/A
Drop in filter no
Ultrasonic AF no
Stepping motor AF no
APS-C sized circle no
Low dispersion lens element yes
Hard case N/A
Soft case N/A
Lens hood
  • LH875-02
  • printable lens hood
Tripod adapter N/A
Discontinued yes
SKU 4513927
Barcode # 085126513276
Brand Sigma
Unit Of Measure ea

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