The Canon EF 100mm f/2.8 Macro USM Autofocus lens is suitable for macro photography up to life-size (1x) magnification. Inner focusing affords a long working distance of 5.9 inches to infinity.

• 100mm macro USM lens with f/2.8 maximum aperture for Canon SLR cameras
• Secondary diaphragm blocks stray light at f/2.8 for increased contrast
• Ultra-sonic monitor provides outstanding autofocusing speed at all distances
• 3-group floating system for exceptional close-up performance; full-time manual focus
• Measures 3.1 inches in diameter and 4.7 inches long; weighs 21.1 ounces; 1-year warranty

Manufacturer: Canon

The Pentax interchangeable lens system provides a complete line of high-quality lenses to satisfy your every creative need. Offering a wide range of focal lengths, functions and effects for different formats, Pentax lenses are designed to maximize each camera's capabilities.

• Only 1.5 inches and 7.8 ounces
• 47 degree angle of view
• Fixed 50mm focal length
• Fully automatic diaphragm
• Lens construction of 6 elements in 5 groups

Manufacturer: Pentax

The NIKON 2148 10.5MM f/2.8 G IF-ED Fisheye Lens was designed exclusively for NIKON digital SLR cameras that feature NIKON's DX Format Sensor. The AF DX Fisheye-Nikkor 10.5mm f/2.8G ED lens significantly expands NIKON's DX-Nikkor category of interchangeable lenses. Along with 17-55mm and 12-24mm DX offerings, the 10.5MM lens offers the broadest wide angle coverage available for digital SLR ...

• DX-Nikkor reduces the diameter of the lens' image circle, allowing a range of lenses with practical size and excellent performance
• DX-Nikkor lenses offer compact and lightweight design, fast aperture and fast autofocus via NIKON's Silent Wave Motor design
• 180 degree diagonal angle-of-view
• Close range focusing up to a near 5.5 inches
• Innnovative Close Range Correction ( CRC ) technology ensures consistently crisp, sharp images

Manufacturer: Nikon

Marketing description is not available.

• 30mm focal length
• 2 low-dispersion glass elements; glass mold aspherical lens element
• 45-degree angle of view
• 15.7-inch minimum focusing distance

Manufacturer: Sigma Corporation

Fastest 135mm telephoto lens in its class / 2 UD-glass elements correct secondary spectrum / Compatible with Extender EF 1.4x II and 2x II

• EF mount; telephoto lens
• Ultra-low Dispersion glass with Fluorite elements; inner focusing ring
• 135mm focal length f/2 maximum aperture Ring USM motor
• Comes with Leather bag & lens hood

Manufacturer: Canon

This large aperture 30mm F1.4 EX DC HSM lens is designed to match the APS-C size image sensors of digital SLR cameras. Two SLD glass elements are especially effective in the compensation of magnification chromatic aberration. Glass mold aspherical lens at rear group of lens reduces color aberration and provides high-quality image results. From 40cm (15.7 inch) minimum focusing distance to ...

• Designed to fit Nikon digital SLR cameras
• 30 mm focal length
• 2 low-dispersion glass elements; glass mold aspherical lens element
• 45-degree angle of view
• 15.7-inch minimum focusing distance

Manufacturer: Sigma Corporation

The OLYMPUS Zuiko Digital interchangeable lenses have been developed specifically for digital SLR use, with professional grade specifications to ensure optimum performance. As dedicated digital camera lenses, they ensure that light strikes the image sensor at a near-perpendicular angle, eliminating image degradation and light loss that can occur at the periphery of the image area, or when shooting ...

• Specially treated to shed water droplets, and engineered to withstand the rigorous demands of professional use
• Designed to capitalize on the design advantages of the OLYMPUS Four Thirds System
• Large f/2.0 aperture, with minimum weight and bulk
• 50mm range -- equivalent to 100mm in conventional 35mm photography
• For use with the OLYMPUS E-1 and other Four Thirds Series Digital SLR Cameras, as specified

Manufacturer: Olympus

200mm f/2.8 is ideal for concerts and sports and candids and many other types of pictures where a telephoto lens may be required Filter Size - 72mm Max. Diameter x Length - 3.3 x 5.4 Unit Weight - 1.7 lbs.

• 200mm telephoto lens with f/2.8 maximum aperture for Canon SLR cameras
• 2 ultra-low-dispersion (UD) glass elements and rear focusing system
• Ultra-sonic monitor (USM) for quick, highly accurate autofocusing
• 4.9-foot close focusing distance; produces natural-looking background blur
• Measures 3.3 inches in diameter and 5.4 inches long; weighs 1.7 pounds

Manufacturer: Canon

The SP AF PRO-series teleconverters, with a newly designed optical construction (4-group/5-element for 1.4X and 4-group/7-element for 2X), are designed to be used with lenses that are F/2.8 and of focal lengths of 90mm or greater. This would make the use of the SP teleconverters ideal for the Tamron SP90mm F/2.8 macro, 70-210mm F/2.8 and 300mm F/2.8. Relative illumination is significantly improved ...

• Increases focal length from same camera position by 1.4x
• Superior performance for unsurpassed image quality and ease of use
• Fits easily between lens and camera body
• Includes carry case
• For use with Canon SLR cameras

Manufacturer: Tamron

The Sigma 105mm f2.8 EX Macro delivers superb, distortion-free images throughout its broad focus range, from infinity telephoto to 1: 1 (life-size) macro, as close as 12.3" without accessories. Its non-rotating front lens group makes it easier to work with polarizing filters and has a focus limiter.A "focus-free" mechanical design allows the lens to auto focus without any interference from the ...

• Super Multi Coating reduces flare and ghosting that tends to occur when using digital SLR cameras
• High performance medium telephoto macro lens optimized for digital cameras
• Lens Construction - 11 Elements in 10 Groups
• 12.3 (31.3cm) Minimum Focusing Distance
• Dimensions - Diameter 2.9 x Length 3.8 (74x97.5mm)

Manufacturer: Sigma Corporation