Canon EF 20-35mm f/3.5-4.5 USM Ultra Wide Angle Zoom Lens for Canon SLR Cameras


 

Features:

• EF mount; ultra-wide zoom lens
• Inner focusing; full-time manual focus
• 20-35mm focal length
• f/3.5-4.5 maximum aperture
• Ring-type UltraSonic Motor (USM)

Get breathtaking views with Canon's 20-35mm wide-angle zoom. At 20mm, this lens offers a staggering 84 degree angle of view. That's a view so wide that you may have a difficult time keeping your shoes out of the bottom of the picture but when something more modest is called for, zoom up to 35mm for a 54 degree view.

Sigma 17-35mm F2.8-4 EX DG Aspherical Lens for Canon-AF Cameras

Features:

• Sigma EX lens with 17-35mm zoom
• Incorporates aspherical lens elements in the front, as well as rear lens groups
• Equipped with a silent, responsive and fast Micro Hyper Sonic Motor (HSM)
• Incorporates internal focusing to prevent deterioration of the optical quality at close distances
• Use with Canon SLRs that are compatible with AF lenses

The lens covers a super-wide angle of view 104°and has a large-aperture. It has a minimum focusing distance of 27mm at all focal lengths, and maximum magnification ratio of 1:4.5. The models which are equipped with HSM (Hyper Sonic Motor) system are ensured a quiet, high-speed AF as well as offering Full Time Manual Focusing. Special Low Dispersion (SLD) and two aspherical glass elements provide excellent compensation for distortion as well as for various aberrations. The design concept of this lens is especially suitable for the characteristics of Digital SLR Cameras. The high performance inner focus system is particularly suitable for using circular polarizing filters and a petal-type hood as the front of the lens does not rotate.

Sigma 14mm F2.8 EX Aspherical Lens for Canon-AF Camera

Features:

• Extra-wide aspherical lens provides higher optical performance
• Antiflare features and crisp-to-the-edges images
• World's shortest, non-fisheye, wide-angle focal length AF lens
• Accepts rear slip-in gelatin filters

The world's shortest focal length non-fisheye wide-angle AF lens with a fast F2.8 maximum aperture and a close focusing distance of only 7.1 inches (18cm). The lens also incorporates a built-in lens hood and a gelatin filter holder behind the rear lens element. The AF drive for Sigma SA, Nikon and Canon feature the ultra-quiet Hyper Sonic Motor (HSM).

Nikon

Sigma 17-35mm F2.8-4 EX DG Aspherical Lens for Nikon-AF Cameras


 

Features:

• 17mm Ultra-Wide-Angle to 35mm wide-angle zoom lens for Nikon AF cameras
• 11.5x total magnification with Distance Information Function for Nikon
• Focuses as close as 19.7 inches at all focal lengths and as far as infinity
• Aspherical lenses maximize optical performance in a smaller and lighter design
• Perfect hood reduces light glare

The lens covers a super-wide angle of view 104°and has a large-aperture. It has a minimum focusing distance of 27mm at all focal lengths, and maximum magnification ratio of 1:4.5. The models which are equipped with HSM (Hyper Sonic Motor) system are ensured a quiet, high-speed AF as well as offering Full Time Manual Focusing. Special Low Dispersion (SLD) and two aspherical glass elements provide excellent compensation for distortion as well as for various aberrations. The design concept of this lens is especially suitable for the characteristics of Digital SLR Cameras. The high performance inner focus system is particularly suitable for using circular polarizing filters and a petal-type hood as the front of the lens does not rotate.

NIKON 17mm to 35mm Nikkor Lens for Nikon SLR Cameras

Features:

• Designed for the most precise optical applications used by professional photographers
• Designed to fit Nikon SLR cameras only
• Uses 77mm size filters (filters are optional)

Wide-Angle Zoom Lens from UltraWide to Wide Angle / F2.8 Maximum Aperture

NIKON 14MM f/2.8D ED Ultra Wide Angle AF Nikkor Lens

Features:

• Hybrid aspherical lens elements and ED glass elements
• RF (Rear Focus) system for superior performance
• Rectilinear design provides straight line subject rendition
• Built-in flower design lens hood
• F-Stop Range - 2.8-22

With its 114-degree picture angle and f/2.8 fast aperture, this lens offers dramatic angle of view in demanding situations. Extra Low Dispersion glass and two Aspheric lens elements ensure superior image quality and compact design. Built-in filter holder accepts gelatin filters.