![Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens compatible with Canon EF-Mount EOS 90D, 80D, 77D, 70D, 60D, 60Da, 1Ds, Mark III II 7D, 6D, 5D, 5DS, Rebel T8i, T7i, T7s, T7, Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens compatible with Canon EF-Mount EOS 90D, 80D, 77D, 70D, 60D, 60Da, 1Ds, Mark III II 7D, 6D, 5D, 5DS, Rebel T8i, T7i, T7s, T7,](https://m.media-amazon.com/images/I/71ptFbYwFfL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens compatible with Canon EF-Mount EOS 90D, 80D, 77D, 70D, 60D, 60Da, 1Ds, Mark III II 7D, 6D, 5D, 5DS, Rebel T8i, T7i, T7s, T7,
![Lightdow 500mm F8.0 Lens Manual Telephoto Zoom With T2-cannon T Mount For Canon Nikon Sony Pentax Fuji Cameras - Camera Lenses - AliExpress Lightdow 500mm F8.0 Lens Manual Telephoto Zoom With T2-cannon T Mount For Canon Nikon Sony Pentax Fuji Cameras - Camera Lenses - AliExpress](https://ae01.alicdn.com/kf/S1035cd2b9b814cee8d3d3abea3b5bee2Q.jpg_640x640Q90.jpg_.webp)
Lightdow 500mm F8.0 Lens Manual Telephoto Zoom With T2-cannon T Mount For Canon Nikon Sony Pentax Fuji Cameras - Camera Lenses - AliExpress
![Amazon.com : 500mm f/8-32 HD Preset Telephoto Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K100D, K110D and K10D Digital SLR Cameras : Amazon.com : 500mm f/8-32 HD Preset Telephoto Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K100D, K110D and K10D Digital SLR Cameras :](https://m.media-amazon.com/images/I/61Nd+xV9tYL._AC_UF894,1000_QL80_.jpg)
Amazon.com : 500mm f/8-32 HD Preset Telephoto Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K100D, K110D and K10D Digital SLR Cameras :
![Amazon.com : Super 500mm/1000mm f/8 Manual Telephoto Lens for Kodak PIXPRO Compact System S-1 Digital Camera : Electronics Amazon.com : Super 500mm/1000mm f/8 Manual Telephoto Lens for Kodak PIXPRO Compact System S-1 Digital Camera : Electronics](https://m.media-amazon.com/images/I/718Ry7H4vnL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Super 500mm/1000mm f/8 Manual Telephoto Lens for Kodak PIXPRO Compact System S-1 Digital Camera : Electronics
![Amazon.com : Manual Focus High Power 1000mm Lens for Pentax (for All 'K' Series Camera) : Electronics Amazon.com : Manual Focus High Power 1000mm Lens for Pentax (for All 'K' Series Camera) : Electronics](https://m.media-amazon.com/images/I/41puoyc8dSL._AC_UF350,350_QL80_.jpg)
Amazon.com : Manual Focus High Power 1000mm Lens for Pentax (for All 'K' Series Camera) : Electronics
![Amazon.com : Manual Focus High Power 1000mm Lens for Pentax (for All 'K' Series Camera) : Electronics Amazon.com : Manual Focus High Power 1000mm Lens for Pentax (for All 'K' Series Camera) : Electronics](https://m.media-amazon.com/images/I/415HRoZ-RVL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Manual Focus High Power 1000mm Lens for Pentax (for All 'K' Series Camera) : Electronics
![Amazon.com : Opteka 500-1000mm f/8 HD Preset Telephoto Lens for Sony Alpha A99, A77, A65, A58, A57, A55, A37, A35, A33, A900, A700, A580, A560, A550, A390, A380, A330 and A290 Digital Amazon.com : Opteka 500-1000mm f/8 HD Preset Telephoto Lens for Sony Alpha A99, A77, A65, A58, A57, A55, A37, A35, A33, A900, A700, A580, A560, A550, A390, A380, A330 and A290 Digital](https://m.media-amazon.com/images/I/71qBjYSjKsL.jpg)
Amazon.com : Opteka 500-1000mm f/8 HD Preset Telephoto Lens for Sony Alpha A99, A77, A65, A58, A57, A55, A37, A35, A33, A900, A700, A580, A560, A550, A390, A380, A330 and A290 Digital
![Amazon.com : JINTU 500mm/1000mm f/8 MF Telephoto Lens Camera Lenses for Canon Rebel T6s T6i T6 T5i T5 T4i T3i T3 T2i 4000D 90D 80D 70D 60D 650D 7D II 6D 5D : Amazon.com : JINTU 500mm/1000mm f/8 MF Telephoto Lens Camera Lenses for Canon Rebel T6s T6i T6 T5i T5 T4i T3i T3 T2i 4000D 90D 80D 70D 60D 650D 7D II 6D 5D :](https://m.media-amazon.com/images/I/61A1gARc9rL._AC_UF894,1000_QL80_.jpg)
Amazon.com : JINTU 500mm/1000mm f/8 MF Telephoto Lens Camera Lenses for Canon Rebel T6s T6i T6 T5i T5 T4i T3i T3 T2i 4000D 90D 80D 70D 60D 650D 7D II 6D 5D :
![Amazon.com : HD White Telescope 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS Rebel T3,T3i,T4i,T5,T5i, T6,T7 T6i, T6s, T7i, SL1, SL2, EOS 60D, 70D, 77D, 80D,5D III,5D IV, EOS 6D,7D,7D II Digital Amazon.com : HD White Telescope 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS Rebel T3,T3i,T4i,T5,T5i, T6,T7 T6i, T6s, T7i, SL1, SL2, EOS 60D, 70D, 77D, 80D,5D III,5D IV, EOS 6D,7D,7D II Digital](https://m.media-amazon.com/images/I/41kk+PXHLLL._AC_UF894,1000_QL80_.jpg)
Amazon.com : HD White Telescope 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS Rebel T3,T3i,T4i,T5,T5i, T6,T7 T6i, T6s, T7i, SL1, SL2, EOS 60D, 70D, 77D, 80D,5D III,5D IV, EOS 6D,7D,7D II Digital
![Amazon.com : Commander Optics 650-1300mm (w/ 2x- 1300-2600mm) f/8-16 HD Telephoto Zoom Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K110D and K10D Amazon.com : Commander Optics 650-1300mm (w/ 2x- 1300-2600mm) f/8-16 HD Telephoto Zoom Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K110D and K10D](https://m.media-amazon.com/images/I/61s-BxTq9qL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Commander Optics 650-1300mm (w/ 2x- 1300-2600mm) f/8-16 HD Telephoto Zoom Lens for Pentax K-1, K-S2, K-S1, K-500, K-70, K-50, K-30, K5 IIs, K-7, K-5, K-3 II, K-2, K110D and K10D
![Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 7D, 6D, 5D, 5Ds, Rebel T7i, T7s, T6i, T6s, T5i, T5, T4i, T3i, T3, T2i, T1i, SL2 Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 7D, 6D, 5D, 5Ds, Rebel T7i, T7s, T6i, T6s, T5i, T5, T4i, T3i, T3, T2i, T1i, SL2](https://m.media-amazon.com/images/I/81oPwdxTpDL.jpg)
Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 7D, 6D, 5D, 5Ds, Rebel T7i, T7s, T6i, T6s, T5i, T5, T4i, T3i, T3, T2i, T1i, SL2
![Rear Converter-A 2x-L Reviews - Pentax K-mount Teleconverters and Adapters - Pentax Lens Reviews & Lens Database Rear Converter-A 2x-L Reviews - Pentax K-mount Teleconverters and Adapters - Pentax Lens Reviews & Lens Database](https://live.staticflickr.com/65535/5988605558_c849dce4f2_b.jpg)
Rear Converter-A 2x-L Reviews - Pentax K-mount Teleconverters and Adapters - Pentax Lens Reviews & Lens Database
![Amazon.com : Vbestlife High-Power 420mm/800mm F/8.3-16 Manual Telephoto Zoom Lens for Canon//Minolta/Nikon/Pentax/Olympus and Other DSLR Cameras. : Electronics Amazon.com : Vbestlife High-Power 420mm/800mm F/8.3-16 Manual Telephoto Zoom Lens for Canon//Minolta/Nikon/Pentax/Olympus and Other DSLR Cameras. : Electronics](https://m.media-amazon.com/images/I/51PChaz32cL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Vbestlife High-Power 420mm/800mm F/8.3-16 Manual Telephoto Zoom Lens for Canon//Minolta/Nikon/Pentax/Olympus and Other DSLR Cameras. : Electronics
![Opteka 500mm / 1000mm High Definition Mirror Telephoto Lens for Pentax K-1, K-3 II, KP, K-70, K-S2, K-S1, K-500, K-50, K-30, K-7, K-5, K-3, K20D, K100D and K10D Digital SLR Cameras Opteka 500mm / 1000mm High Definition Mirror Telephoto Lens for Pentax K-1, K-3 II, KP, K-70, K-S2, K-S1, K-500, K-50, K-30, K-7, K-5, K-3, K20D, K100D and K10D Digital SLR Cameras](https://m.media-amazon.com/images/I/41OL2BQ6ipL._UL320_.jpg)