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These lenses are compact, light and designed specifically for the most common digital SLR cameras - cameras with APS-C size (approx. 23.3 x 15.5mm) image sensors.

Filter Diameter: 62mm   
Length: 83.7mm
Weight: 405g
Minimum Focus Distance: 0.45m

These lenses are compact, light and designed specifically for the most common digital SLR cameras - cameras with APS-C size (approx. 23.3 x 15.5mm) image sensors.

Filter Diameter: 62mm   
Length: 83.7mm
Weight: 405g
Minimum Focus Distance: 0.45m

This lightweight, 470glens is designed exclusively for APS-C size sensor Canon SLRs (most entry to mid range) and cannot be used on full-frame Canon SLRs.

Specifications

35mm equivalent focal length range: 16-32mm
Lens perspective: Wide zoom lens
Minimum aperture: f22
Image stabilisation: None
Hyper-Sonic motor: Yes
Special lens elements: 3 aspherical and 3 SLD glass
Filter size: 77mm
Weight: 470g
Dimensions: 83.5 x 81
Maximum magnification: 1:6.7
Recommended applications: Landscapes

 *WARNING: When used on a full frame SLR, you will lose Full-Frame capture and the sensor will automatically crop to DX(APS-C) format.

This lightweight, 470g lens is designed for APS-C size sensor Nikon SLRs (most entry to mid range). When used on a full frame Nikon SLR you will lose Full-Frame capture and the sensor will automatically crop to DX(APS-C) format.

Specifications

Minimum Aperture: F22 
Minimum Focusing Distance: 24cm 
Dimensions: 83.5mm X 81.0mm
Weigh: 470g

This heavyweight, 1750g lens is designed exclusively for full-frame Canon SLRs (most top range) and is compatible with APS-C size sensor Canon SLRs as well.

Specifications

35mm equivalent focal length range: 192-640mm
Lens perspective: High powered telephoto
Minimum aperture: f22
Image stabilisation: Lens stabilisation
Hyper-Sonic motor: Yes
Special lens elements: 3 SLD glass
Filter size: 77mm
Weight: 1750g
Dimensions: 92.5 x 203.5
Maximum magnification: 1:4.2
Recommended applications: Field-based sports

The Sigma Sigma 120-400mm F4.5-5.6 DG OS HSM is a powerful telephoto lens for creative portraiture and scenic wildlife shooting, with a fairly fast aperture for it class, of f4.5.
It features Sigma’s priginal Optical Image Stabilisation technology, SLD (special low dispersion) glass technology ensured excellent correction of chromatic aberration, and the Super Multi Layer lens coating and lens design reduces flare and ghosting. Powered by a Hyper Sonic Motor, this Sigma lens is silent and has a fast response time and is compatible with APO EX tele-converters (1.4x and 2x) which enables you to use this lens as a 168-560mm F6.3-8 MF ultra-telephoto zoom lens with a 1.4x tele-converter, or as a 240-800mm F9-11 MF ultra-telephoto zoom lens with a 2x tele-converter.

Lenses for full-sized digital, APS-C digital, and film cameras. These lenses are designed to work with image sensors that are the same size as 35mm film (35mm x 24mm), and they are easily used on smaller APS-C cameras as well. These lenses offer plenty of performance and versatility for any photographer with different cameras.

Filter Diameter: 77mm
Length: 194.3mm
Weight: 1,150g
Minimum Focus Distance: 0.95m

Lenses for full-sized digital, APS-C digital, and film cameras. These lenses are designed to work with image sensors that are the same size as 35mm film (35mm x 24mm), and they are easily used on smaller APS-C cameras as well. These lenses offer plenty of performance and versatility for any photographer with different cameras.

Filter Diameter: 77mm
Length: 194.3mm
Weight: 1,150g
Minimum Focus Distance: 0.95m

This  High powered telephoto zoom lens is ideal for field sports and wildlife photography and is powered by Sigma’s HSM (Hyper Sonic Motor) for a quiet and high-speed AF as well as full-time manual focusing capability. It incorporates Sigma’s Optical Stabilisation Technology to combat blur caused by camera shake, and with its SLD (Super Low Dispersion) glass and Super multi-layer coating, flare and ghosting is reduced.
  
The addition of a 1.4x EX DG APO or 2x EX DG APO Tele Converters, produces a 210-700mm F7-9 MF ultra-telephoto zoom lens or a 300-1000mm F10-13 MF ultra-telephoto zoom lens respectively.

This  High powered telephoto zoom lens is ideal for field sports and wildlife photography and is powered by Sigma’s HSM (Hyper Sonic Motor) for a quiet and high-speed AF as well as full-time manual focusing capability. It incorporates Sigma’s Optical Stabilisation Technology to combat blur caused by camera shake, and with its SLD (Super Low Dispersion) glass and Super multi-layer coating, flare and ghosting is reduced.
  
The addition of a 1.4x EX DG APO or 2x EX DG APO Tele Converters, produces a 210-700mm F7-9 MF ultra-telephoto zoom lens or a 300-1000mm F10-13 MF ultra-telephoto zoom lens respectively.