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The Canon EF 8–15mm 4L Fisheye USM is a fisheye zoom lens for Canon digital single-lens reflex cameras (DSLRs) with an EF lens mount. It delivers 180° diagonal angle of view images for all EOS SLR cameras with imaging formats ranging from full-frame to APS-C, and provides 180° circular fisheye images for full-frame EOS models. It features UD glass for suppression of chromatic aberration and a subwavelength coating for reduced ghosting. It has full-time manual focus for instant switching from AF to Manual operation. ==Firsts== This lens broke new market ground in several respects: * It is the first Canon EF lens to offer 180° circular fisheye images for full frame image sensors. * It is the first zoom fisheye lens for any DSLR to offer a full 180° angle of view in both circular and rectangular image formats. * It is the first lens by any manufacturer to offer a 180° angle of view for APS-H (1.3x crop factor) bodies.〔 * Also, it is the first zoom fisheye lens to offer a 180° angle of view on both full-frame and cropped bodies.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Canon EF 8–15mm lens」の詳細全文を読む スポンサード リンク
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