![Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5, Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5,](https://m.media-amazon.com/images/I/61lnhGVtmbL.jpg)
Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5,
![Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics](https://m.media-amazon.com/images/I/718s8UL9eEL.jpg)
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics
![Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics](https://m.media-amazon.com/images/I/71NqXzVkEhL._AC_UF894,1000_QL80_.jpg)
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics
![Tele-photo Takumar 500mm F5 Reviews - M37 Screwmount Prime Lenses - Pentax Lens Reviews & Lens Database Tele-photo Takumar 500mm F5 Reviews - M37 Screwmount Prime Lenses - Pentax Lens Reviews & Lens Database](https://www.pentaxforums.com/lensreviews/data/63/Tele-photo_Takumar_500_5.jpg)
Tele-photo Takumar 500mm F5 Reviews - M37 Screwmount Prime Lenses - Pentax Lens Reviews & Lens Database
![Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics](https://m.media-amazon.com/images/I/51vhWQo7WVL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFOUR%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA8%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com : PENTAX Super Takumar 55mm F1.8 F/1.8 M42 Screw Mount MF Lens (S/N:1626026)#55876 : Electronics
![Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5, Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5,](https://m.media-amazon.com/images/I/41A-BOWujfL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingTHREE%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA55%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5,
![Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5, Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5,](https://m.media-amazon.com/images/I/71qBjYSjKsL.jpg)
Amazon.com : Opteka 500mm f/8 High Definition Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D, 5D, 5DS, 1DS, T7i, T7s, T7, T6s, T6i, T6, T5i, T5,
![Amazon.com : Opteka 500mm f/8 Manual Preset 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, Amazon.com : Opteka 500mm f/8 Manual Preset 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,](https://m.media-amazon.com/images/I/71nrVzIKufL.jpg)