Alpine Astronomical Baader M68 Metal Dust Plug

Use the Alpine Astronomical Baader M68 Metal Dust Plug to protect the delicate interior optical surfaces of your gear from dust and debris. Made of a lightweight and durable aluminum alloy treated with an anodized finish, the plug has male M68x1 threads that allow you to screw it securely in place so it won't come off during transport. This plug will fit most Baader Zeiss M68 accessories with female threads.