This 2540mm f8 Mirror Lens Used by NASA Now Costs $28,000
Aim for the stars, so begins a popular saying. With this huge NASA mirror lens you'll definitely wonder what your star trails and Milky Way photos will look like. Everyone, say hello to the mammoth Jonel 100 mirror lens, which has a whopping 2540mm focal length and f/8 aperture. thephoblographer.com »