![Canon 500mm f4 L IS Test](https://a4.pbase.com/g6/36/718136/3/79718536.OsxNVN96.jpg) Canon 500mm f4 L IS Test
by Dan Ng
| ![Canon EF 500mm f/4.0 L IS USM](https://a4.pbase.com/g1/63/12963/3/131504980.OzUU26gk.jpg) Canon EF 500mm f/4.0 L IS USM
by David Behrens
| ![Canon EF 500mm f/4L IS USM](https://a4.pbase.com/g4/82/193082/3/141161349.D90V36ym.jpg) Canon EF 500mm f/4L IS USM
by Greg Lavaty
| ![Canon EF 500mm f/4.0L IS USM](https://a4.pbase.com/g3/56/255356/3/120896469.sNt3JnfQ.jpg) Canon EF 500mm f/4.0L IS USM
by Joseph V Higbee
| ![Sigma 50-500mm F/4.0-6.3 Lens Test on Canon 1D](https://a4.pbase.com/u47/motorcyclist/medium/33968061.IMG_0610.jpg) Sigma 50-500mm F/4.0-6.3 Lens Test on Canon 1D
by Mike Lang
|
![White-rumped Sandpiper.Danish rarity.Debut for my new Canon EF 500mm f/4L IS USM lens.](https://a4.pbase.com/u34/okbird/medium/31271751.HvidryggetRyle_Roemoe_20040712_OK_02.jpg) White-rumped Sandpiper.Danish rarity.Debut for my new Canon EF 500mm f/4L IS USM lens.
by Ole Krogh
| ![Short-eared Owl,flightpictures with Canon EOS 1D Mark II ,Canon EF 500mm f/4L IS USM](https://a4.pbase.com/u23/okbird/medium/37671368.Iq2b8784.jpgkomp7.jpg) Short-eared Owl,flightpictures with Canon EOS 1D Mark II ,Canon EF 500mm f/4L IS USM
by Ole Krogh
| ![Prakticar 500mm F/5.6 Pentagon lens](https://a4.pbase.com/g3/63/12963/3/54264242._MG_2920.jpg) Prakticar 500mm F/5.6 Pentagon lens
by David Behrens
| ![Zeiss Mirotar 500mm f8](https://a4.pbase.com/v3/95/411995/3/44258349.Untitled50.jpg) Zeiss Mirotar 500mm f8
by Ugo
| ![Sigma 150-500mm test shots](https://a4.pbase.com/g5/02/719202/3/100260231.QRNot37h.jpg) Sigma 150-500mm test shots
by Nick Powell
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