The Canon TL-H27 Telephoto Converter Lens converts the focal distance of the body lens by a factor of approximately 1.7 when attached.

The lightest EF lens of all at a mere 0.29 lb. Compact and high-performance, standard lens. Its Gaussian optics provide sharp delineation from near to far focusing distances. The color balance is excellent for a standard lens.

The Canon TLH-46 lens Make those distant scenes closer to you by extending your telephoto capabilities with Canon Optics by using the 1.7X tele converter. Never miss a shot again.

The Canon 18-55mm f/3.5-5.6 EF-S IS Lens is a standard zoom lens that features the smaller size image circle, exclusively designed for EOS Digital Rebel and other cameras using the "APS-C" size sensor. The focal length is equivalent to approx. 28-90mm in 35mm format. This makes it ideal as a basic everyday lens.

Guide Number of 61 Auto Zoom Coverage for 24-105mm TTL Operation W/Canon DSLRs Bounce, Tilt, and Swivel Head Manual Setting Available Takes 4x AA Batteries

The lightest 4x telephoto zoom lens in its class. Ideal for sports, portraiture, animals, etc. The telephoto effect can make the picture look compressed or have excellent background blur. At the 300mm focal length, you can fill the frame with a postcard from 4.9' away. The Micro-USM autofocus motor is quick, compact and quiet.

The Sigma 50-200mm f/ 4- 5.6 DC OS HSM is a compact, high-performance telephoto zoom lens. It utilizes Sigma's own Optical Stabilizer function to elimiate the effects of camera shake so subjets can be easily and clearly seen in the cameras viewfinder in addition to the image. It allows the use of shutter speeds up to 4 stops slower than normal for steady, handheld photography.

The Canon EF-S 55-250mm f/4-5.6 IS Lens is a compact and lightweight telephoto zoom lens that is specifically designed for the range of EOS digital SLR cameras that use the smaller EF-S lens mount. Combining powerful performance with high image quality, this lens offers the equivalent of 88-400mm in 35mm format

The Tamron AF 70-300mm f/4-5.6 Di LD Macro lens is a quality compact ultra tele zoom lens which covers the 70mm to 300mm telephoto range, with a maximum magnification ratio of 1:2 at the tele end.

Sigma's 70-300mm f4-5.6 APO DG Macro is one of several tele-macro zoom lenses. It is a compact Apochromatic tele-macro zoom lens incorporating two Special Low Dispersion glass elements in the front lens group, plus one Special Low Dispersion glass element in the rear lens group, to minimize chromatic aberration.

Canon 1.4x EF Extender II (Teleconverter)

Guide Number 200' (61 m) @ISO100 Modeling Flash and Wireless TTL Features Autozoom Function Compatible with Canon AF DSLRs Carrying Case and Flash Stand Included

The Tamron AF18-200mm F/3.5-6.3 XR Di-II LD Aspherical (IF) MACRO is a high power zoom lens designed exclusively for digital SLR cameras using the more compact (APS-C) digital size image sensors. The focal length of this lens is equivalent to approx. 28-300mm in 35mm format.

The Sigma 1.4x DG EX APO Tele Converter (also known as a tele-extender) will multiply the focal length of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. 

The Sigma 70-300mm 4-5.6 DG Macro lens is the compact and economical choice for a telephoto zoom lens. Capable of macro photography, this lens has a 1:2 maximum close-up magnification at the 300 mm focal length. It is the ideal high performance lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range.

The Sigma 2x EX APO Tele Converter (also known as a tele-extender) will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6.

The Canon EF-S 18-135mm f/3.5-5.6 IS Lens boasts a 35mm equivalency of 29-216mm when used with a Canon APS-C EOS Digital SLR. Measuring just 4" in length and weighing about a pound, the lens offers a convenient wide angle to telephoto focal length. Containing 16 elements (including a UD-glass element) in 12 groups, the Canon EF-S 18-135mm f/3.5-5.6 IS Lens captures an angle-of-view (AOV) range of about 74.2° to 11.3°, which is wide enough for most landscapes and long enough to capture more distant subjects.

This compact high zoom ratio lens incorporates Sigma's original OS (Optical Stabilizer) function. This system uses two sensors inside the lens to detect vertical andhorizontal movement of the camera and works by moving an optical image stabilizing lens group to effectively compensate for camera shake. It offers the use of shutter speeds approximately 4 stops slower.

The Sigma 18-50mm f/2.8-4.5 DC OS HSM is a lens dedicated to digital SLR cameras with APS-C size image sensors offering a large aperture and Sigma's Optical Stabilization and provides a high level of optical performance. The combination of the large aperture of f/2.8 and anti-shake function makes capturing exceptional photos in low light achievable, and the wide angle is well suited for indoor photography.

A compact, lightweight standard zoom lens with superior optical performance plus a built-in Image Stabilizer. The IS system reduces the possibility of blurred photographs caused by camera shake, enabling handheld photography in comparatively dim light without a flash or tripod. The IS system is composed of a pair of gyro sensors to detect vertical and horizontal motion and a microprocessor that compensates for it by shifting special lens elements in parallel with the perceived movement.