Sigma 70-200mm f/2.8 EX DG HSM (Canon AF)
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Description
Fast maximum aperture F2.8 telephoto lens optimized for digital SLR cameras
This telephoto zoom lens has a large maximum aperture of f/2.8 which remains constant throughout the zoom range and it is optimized for digital SLR cameras. Two pieces of SLD (the special low dispersion) glass in the front lens group and another two in the rear group offer excellent correction of chromatic aberration. High optical performance is demonstrated throughout the entire zoom range.
Coating reduces Ghost and Flare
The multi-layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum colour balance through the entire zoom range.
SLD glass for excellent image quality
Colour aberration in the secondary spectrum is compensated by using two pieces of SLD (the special low dispersion) glass in the front lens group and another two in the rear group. This lens has excellent exhibits superior image quality.
Silent high-speed AF with HSM
The Hyper Sonic Motor (HSM) ensures a silent, high-speed AF function as well as full-time manual focusing capability.
Inner focusing and inner zooming systems
An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the petal-type lens hood supplied and circular polarizing filters. Since focusing and zooming do not change its overall length, ease of handling and operation is assured. A rotating tripod mount can be conveniently detached if required.
Specification:
This telephoto zoom lens has a large maximum aperture of f/2.8 which remains constant throughout the zoom range and it is optimized for digital SLR cameras. Two pieces of SLD (the special low dispersion) glass in the front lens group and another two in the rear group offer excellent correction of chromatic aberration. High optical performance is demonstrated throughout the entire zoom range.
Coating reduces Ghost and Flare
The multi-layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum colour balance through the entire zoom range.
SLD glass for excellent image quality
Colour aberration in the secondary spectrum is compensated by using two pieces of SLD (the special low dispersion) glass in the front lens group and another two in the rear group. This lens has excellent exhibits superior image quality.
Silent high-speed AF with HSM
The Hyper Sonic Motor (HSM) ensures a silent, high-speed AF function as well as full-time manual focusing capability.
Inner focusing and inner zooming systems
An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the petal-type lens hood supplied and circular polarizing filters. Since focusing and zooming do not change its overall length, ease of handling and operation is assured. A rotating tripod mount can be conveniently detached if required.
Specification:
- Lens Construction: 17 Elements in 14 Groups
- Angle of View: 34.3 - 12.3 degrees
- Number of Diaphragm Blades: 9 Blades
- Minimum Aperture: 32
- Minimum Focusing Distance: 180cm
- Maximum Magnification: 1:7.8
- Filter Size: 77mm
- Dimensions: Diameter 86.2mm x Length 184mm
- Weight: 1270g
Specifications
| Type | Zoom |
|---|---|
| Type | Telephoto |
| Lens Fitting | Canon AF |
| Focusing | Auto |
| Filter - Size | 77mm |