![400mm EF F/5.6](https://a4.pbase.com/g1/29/532329/3/115233358.1Dgfpugi.jpg) 400mm EF F/5.6
by hikernh
| ![EF 100-400mm f/4.5-5.6L IS USM](https://a4.pbase.com/v3/63/342363/3/44222815.IMG_2101b.jpg) EF 100-400mm f/4.5-5.6L IS USM
by Evert Blink
| ![EF 100-400mm f/4.5-5.6L IS USM vs EF 400mm f/5.6L USM](https://a4.pbase.com/o6/82/193082/1/77745273.k9hbz0Yc.a400a.jpg) EF 100-400mm f/4.5-5.6L IS USM vs EF 400mm f/5.6L USM
by Greg Lavaty
| ![EF 100-400mm f/4.5 - 5.6L IS USM](https://a4.pbase.com/g1/69/716769/3/115665158.jDv0qv3o.jpg) EF 100-400mm f/4.5 - 5.6L IS USM
by Sue Hawken
| ![EF 100-400mm f/4.5-5.6L IS USM](https://a4.pbase.com/g9/73/492673/3/152577400.68O2EoQT.jpg) EF 100-400mm f/4.5-5.6L IS USM
by Jihad Jean Chahine
|
![Canon EF 400mm f/5.6L](https://a4.pbase.com/u16/kodachrome/medium/39035202._E6R1376_sRGB.jpg) Canon EF 400mm f/5.6L
by Mark Schretlen
| ![Canon EF 400mm f/4 DO IS USM](https://a4.pbase.com/v3/82/193082/3/49938332._MG_3306web.jpg) Canon EF 400mm f/4 DO IS USM
by Greg Lavaty
| ![CANON EF 400mm f/5.6 L USM](https://a4.pbase.com/g1/12/759712/3/106044240.9GE04Dti.jpg) CANON EF 400mm f/5.6 L USM
by Pierre Lessard
| ![Canon EF 400mm f/4 DO IS USM](https://a4.pbase.com/g1/62/878462/3/114171689.vQHEoBIH.jpg) Canon EF 400mm f/4 DO IS USM
by robin hu
| ![Canon EF 400mm f/5.6L USM](https://a4.pbase.com/g4/01/335801/3/141195555.e8BFny5t.jpg) Canon EF 400mm f/5.6L USM
by Giussani Luciano
|