How to fix this? I removed my lens from my dslr only to see the mirror fell off and the bronze thing stuck inside my lens : r/DSLR
Lenses 500mm/1000mm F8.0 Camera Telephoto Manual Mirror Lens+2X Teleconverter+T2 Adapter For Canon Nikon Pentax Olympus Sony Fuji DSLR From 311,12 € | DHgate
500mm 1000mm f/6.3 MF Telephoto Mirror Lens +2x Teleconverter for Niko – jintuphoto
Goshyda Telephoto Mirror Lens, 500mm F6.3 Super Telephoto Mirror Lens Fit for Minolta for Sony AF Mount DSLR Camera(white): Amazon.co.uk: Electronics & Photo