55mm f/3.5-5.6 USM EF 17-35mm f/2.8L USM EF-S 18-55mm f/3.5-5.6 II USM EF 17-40mm f/4L USM EF-S 18-55mm f/3.5-5.6 IS EF 24-70mm f /2.8L USM EF- S 55-250mm f/4-5.6
... an EF- S Lens?ID ... ... Canon's EF- S lenses have adopted ... than a 35 mm full size sensor ... ... replacement lens's 35 mm equivalent focal length ... ... if a 50 mm lens is attached ... , the 35 mm equivalent focal length ... be approximately 80 mm . ... with EF- S lenses: ... 7D Mark II / EOS 7 ... ... * EF- S lenses can be ... ... support EF- S lenses.