Additional thread rings available for the Letus35 Extreme / Ultimate / Elite (58mm, 62mm, 72mm, 77mm, 82mm, Specialized 77mm for Sony PMW-EX1/EX3, Spcialized 82mm for Panasonic HVX200/A) and Letus35 Mini (37mm, 43mm). Purchase spares or different sizes for your different cameras. Easily change out the threads on your Letus35 adapter by removing 3 set screws and fastening your new ring in place of the old.