Lenses that support changes in the AF speed Extender 1.4x EF-S 10-18mm f/4.5-5.6 IS STM EF-S 15-85mm f/3.5-5.6L 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 -250 mm f/4- 5.6
EF400mm f/5.6L USM Marketed May 1993 Lens Construction (group) 6 Lens Construction (element) 7 No. of Diaphragm Blades 8 Minimum Aperture 32 Closest Focusing Distance ( m ) 3.5 Maximum Magnification (x) 0.11 Filter Diameter ( mm ) 77 Maximum Diameter x Length ( mm ) 90 x 256.5 Weight (g) 1,250