This huge NASA mirror tele lens Jonel 100 (2540mm F/8 for 6×6 and more) is now on sale on eBay (Click here). This kind of lens is used by Space X to get the amazing rocket shots:
This huge NASA mirror tele lens Jonel 100 (2540mm F/8 for 6×6 and more) is now on sale on eBay (Click here). This kind of lens is used by Space X to get the amazing rocket shots: