 "EF-S 55-250mm f/4-5.6 IS II"@en "Canon EF-S II | Canon Online Store"@en
"Telephoto Zoom"@en 
 Focal Length & Maximum Aperture 55-250mm f/4-5.6 Lens Construction 12 elements in 10 groups, including one UD-glass element Diagonal Angle of View 27° 50'- 6° 15' (with APS-C image sensors) Focus Adjustment DC motor, gear-driven (front focusing design) Closest Focusing Distance 3.6 ft./1.1m (maximum close-up magnification 0.31x) Filter Size 58mm Max. Diameter x Length, Weight 2.8 in. x 4.3 in./70 x 108mm (maximum lens length); 13.8 oz./390g
 "Canon EF telephoto zoom lens - 70 mm 300 mm" " Canon 4426B002 Camera & Camcorder Lenses CDW.com
"Designed to deliver ultra-high quality images along with lightning fast operation, the Canon EF 70-300 f/4-5.6L IS USM telephoto zoom lens brings a favorite zoom range to the celebrated Canon L-series of lenses. It features two Ultra Low Dispersion (UD) elements for improved image quality and reduced chromatic aberration, incorporates a floating focusing mechanism for sharpness from close up to infinity, plus an IS system that increases usability by approximately four stops. The EF 70-300 f/4-5.6L IS USM features a function that prevents erroneous operation when the lens is mounted on a tripod or monopod. Gleaming white, with a removable tripod collar, dust and water resistant construction, and a newly developed Fluorine coating that keeps soiling, smears and fingerprints to a minimum, its phenomenal performance and flexibility is assured. For portraiture or to bring what's far away up close, this addition to the L-series is guaranteed to perform." 