Lenses that support changes in the AF speed Extender 1.4x EF-S 10-18mm f/4.5-5.6 IS STM EF-S 15-85 mm f /3.5- 5.6 L IS USM EF-S 18-55mm f/3.5-5.6 IS STM EF-S 18-135mm f/3.5-5.6 IS STM EF-S 55-250mm f/4-5.6
Specifications for the EF 100-300 f/4.5-5.6 USM Marketed June 1990 Lens Construction (group) 10 Lens Construction (element) 13 No. of Diaphragm Blades 8 Minimum Aperture 40 Closest Focusing Distance (m) 1.5 Maximum Magnifcation (x) 0.26 Filter Diameter ( mm ) 58 Maximum Diameter x Length ( mm ) 73 x 121.5 Weight (g) 540
EF55-200mm f/4.5-5.6 USM Marketed March 1998 Lens Construction (group) 13 Lens Construction (element) 13 No. of Diaphragm Blades 6 Minimum Aperture 22-27 Closest Focusing Distance (m) 1.2 Maximum Magnification (x) 0.21 Filter Diameter ( mm ) 52 Maximum Diameter x Length ( mm ) 70 X 97 Weight (g) 310