![Jintu 500mm/1000mm F8.0 Telephoto Mirror Lens For Canon Nikon Pentax Sony Dslr Cameras With Free Bag - Camera Lenses - AliExpress Jintu 500mm/1000mm F8.0 Telephoto Mirror Lens For Canon Nikon Pentax Sony Dslr Cameras With Free Bag - Camera Lenses - AliExpress](https://ae01.alicdn.com/kf/H68d53cbdfe2844d0bf3bc967d509b5cbq/JINTU-500mm-1000mm-f8-0-Telephoto-Mirror-Lens-for-Canon-NIKON-PENTAX-SONY-DSLR-Cameras-with.jpg)
Jintu 500mm/1000mm F8.0 Telephoto Mirror Lens For Canon Nikon Pentax Sony Dslr Cameras With Free Bag - Camera Lenses - AliExpress
![Opteka ( Samyang, danubia etc.) Mirror 500mm F8 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database Opteka ( Samyang, danubia etc.) Mirror 500mm F8 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database](https://www.pentaxforums.com/userreviews/data/88/3753108235_359b39fd65_z1.jpg)
Opteka ( Samyang, danubia etc.) Mirror 500mm F8 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database
![Tokina's new 400mm F8 mirror lens for full-frame, APS-C mounts will ship in August: Digital Photography Review Tokina's new 400mm F8 mirror lens for full-frame, APS-C mounts will ship in August: Digital Photography Review](https://4.img-dpreview.com/files/p/E~TS590x0~articles/6479424119/Tokina_Mirror_Lens_1.jpeg)
Tokina's new 400mm F8 mirror lens for full-frame, APS-C mounts will ship in August: Digital Photography Review
![Opteka ( Samyang, danubia etc.) Mirror 500mm F8 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database Opteka ( Samyang, danubia etc.) Mirror 500mm F8 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database](https://www.pentaxforums.com/userreviews/data/88/71y0tIida7L_AA1250_.jpg)