Canon's EF 100mm IS, EF 100mm and EF 180mm macros focus to 1:1, or life-sized, which fill the frame with something as small as 24 × 36mm (0.94 × 1.4"). You can't go wrong with this little jewel. No one else makes anything similar that does so much in one lens. Bravo, Canon!. I got my RF 85mm f/2 Macro IS STM at B&H.Canon calls this the EF-S 17-55mm f/2.8 IS USM. EF: Electronic Focus. All modern Canon lenses do this. -S: Only works on newer, small (1.6x factor) DSLRs, which are the Rebels, 30D and 20D. IS: Image Stabilization. See Why IS Matters. USM: Ultra-Sonic Motor: The focus motor operates silently. Focal Length. 17-55mm. It uses only lead-free glass, and has a lightweight magnesium alloy lens barrels with enhanced resistance to moisture and dust. The Canon EF200mm f/2L IS USM is an exceptionally sharp lens that is significantly lighter (2520g/5.5 lbs. vs. 3000g/6.6 lbs.) than its predecessor, the renowned EF200mm f/1.8L USM lens, while adding OIS and a weather
Best telephoto zoom lens: Canon RF 100-500mm F4.5-7.1L IS USM – check best price; Best all-round RF lens: Canon RF 24-240mm F4-6.3 IS USM – check best price; Best cheap telephoto zoom: Canon RF 100-400mm f5.6-8 IS USM – check best price; Best third-party RF lens: Laowa 85mm f/5.6 2x Ultra Macro APO – check best price
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