Alpine Astronomical Baader M68 Metal Dust Cap

Use the Alpine Astronomical Baader M68 Metal Dust Cap 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 cap has female M68x1 threads that allow you to screw the cap securely in place so it won't come off during transport. This cap will fit most Baader Zeiss M68 accessories with male threads.