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 4inch 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. The lens features internal focusing down to 1.5', has an internal focusing system, and offers image stabilization for up to 4-stops of shake-control when shooting under lower lighting conditions. ? Wide Focal Range With 74.2? to 11.3? angle-of-view, the Canon EF-S 18-135mm f/3.5-5.6 IS Lens offers excellent wide angle to telephoto focal lengths with Canon APS-C EOS Digital SLRs. ? Lightweight and Compact Design Measuring just 4inch in length and weighing about a pound, the lens boasts excellent portability without compromising optical quality. ? Optical Image Stabilization Canon's Image Stabilization system allows you to shoot sharp images with a 4-stop advantage under less-than-optimum lighting conditions. ? Optimized for Canon APS-C Sensor Cameras As with all Canon EF-S optics, the Canon EF-S 18-135mm f/3.5-5.6 IS Lens is designed to deliver optimum sharpness edge-to-edge when used with Canon APS-C format DSLRs. The Canon EF 24-105mm f/4L IS USM lens is an easy-to-use standard zoom lens that can cover a large zoom area ranging from 24mm wide-angle to 105mm portrait-length telephoto. The EF 24-105mm f/4L IS USM incorporates Canon's highest standards of precision optics. The L-series is Canon's flagship professional lens range, combining outstanding image performance and ultimate operability with dust and moisture resistant construction. Canon's ring-type USM gives silent but quick AF, along with full-time manual focus. Moreover, with dust- and moisture-resistant construction, this is a durable yet sophisticated lens that meets the demands of advanced amateur photographers and professional photographers alike. Features: Standard zoom lens - 24-105mm focal length, fast f/4 aperture Super UD glass lens and two types of aspherical elements effectively correct aberration Image Stabilizer gives equivalent effect of a shutter speed three stops faster during hand-held shooting Optimised lens coating to minimise ghosting and flare High dust and moisture resistance for use in harsh environments Closest focus distance of just 45cm at all zoom focal lengths Circular aperture producing attractive background defocus Inner focusing, ring USM and new AF algorithms for fast and quiet autofocusing Manual focusing enabled even during AF mode (full-time mechanical manual focus) Only environmentally friendly lead-free glass used in lens construction