Canon Lens - IS Lens For Optical Performance on Canon Digital Cameras
Executive Summary about Canon Digital Camera Lens by Mikel Freiji
Photographers can also enable additional noise reduction for shots captured at high ISO speeds. Focusing is fast and sharp as with the $300 canon lenses.
Focus is achieved by front element extension. The ring-type USM motor dives the small front elements easily, resulting in extremely fast AF.
Optically all three lenses are very similar. The two non-IS lenses have identical optics but the IS lens has additional optical elements as part of the IS mechanism. Optical performance is noticeably better than my cheap telephoto zoom.
This lens focuses as close as 11 inches, and offers both Canon’s full-time manual focus and a powerful ring-type USM for fast and silent AF.
Optically and mechanically, the lens seemed to be fine. Capture your world with a 12.2 megapixel CMOS sensor and the very latest Canon technologies. Canon has just made available Firmware Update 1.0.5 for the new Canon 20D.
Canon is offering the lens kit at this discount so that more customers can enjoy the benefit of a lens based image stabilizer system.
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