500mm Reflex lens for “plane” photography? (recording rocket launches from a hundred miles away)
500mm Reflex lens for "plane" photography? (recording rocket launches from a hundred miles away) Has anyone used a long telephoto reflex/mirror lens for shooting things like rocket launches? My 85mm at 1.5x cropped to about 130mm isn't giving me quite enough reach. I had thought about buying a traditional telephoto, but a 500mm FF lens would be too unwieldy to aim up in the sky for 10 minutes, and would also be pretty expensive. Enter the...