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Improvements of Samyang 800mm f.8.0 Mirror lens: Photographic Science and Technology Forum: Digital Photography Review
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Panagiotis Xipteras on Twitter: "The big baby has arrived😎 A #Samyang 800mm f/8 #catadioptric lens is now waiting for the stars.#telescope #astrophotography Fat is beautiful https://t.co/GCYzoV1CjU" / Twitter
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