Panagiotis Xipteras on X: "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" / X
Samyang 800mm f/8 Mirror
Samyang 800mm F8 Mirror Lens with T-mount adapter – ApertureStock