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Amazon.com : Opteka 500mm f/6.3 (with 2X- 1000mm) Telephoto Mirror Lens for Canon EF-Mount EOS 90D, 80D, 77D, 70D, 60D, 50D, 7D, 6D, 5D, 5DS, 1DS, T8, T8i, T7i, T7s, T7, T6s,
![Samyang Mirror Lens 500 mm 1:6.3 DX. Comparison with Rubinar 500/5.6. Review of the mirror-lens lens by Rodion Eshmakov | Happy Samyang Mirror Lens 500 mm 1:6.3 DX. Comparison with Rubinar 500/5.6. Review of the mirror-lens lens by Rodion Eshmakov | Happy](https://radojuva.com/wp-content/uploads/2022/07/samyang-mirror-lens-500-mm-6-3-dx-lens-review-1.jpg)
Samyang Mirror Lens 500 mm 1:6.3 DX. Comparison with Rubinar 500/5.6. Review of the mirror-lens lens by Rodion Eshmakov | Happy
![Mirror…Mirror… A guide to choosing and using mirror lenses Part 1 – Wayne John Grundy's PhotoTech Blog Mirror…Mirror… A guide to choosing and using mirror lenses Part 1 – Wayne John Grundy's PhotoTech Blog](https://advancedphototech.files.wordpress.com/2010/05/mirror-lenses-19.jpg)
Mirror…Mirror… A guide to choosing and using mirror lenses Part 1 – Wayne John Grundy's PhotoTech Blog
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