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Samyang 500mm f/6.3 Mirror Lens (White) with 2x Teleconverter (=1000mm) for Olympus OM-D EM-5, Pen E-P2, E-P3, E-PL2, E-PL3, E-PM1 & Panasonic Micro 4/3 Digital Cameras Reviews 2023
Samyang Optics
Opteka 500mm/1000mm f6.3 Telephoto Mirror Lens for Canon EF EOS DSLR Cameras 388800142848 | eBay
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