The Baader Metal Dust Cap with M54 Internal Thread from Alpine Astronomical is a dustproof closure for compatible Baader M54 system accessories. It's made of black anodized metal and features a 59mm outer diameter and M54 x 0.75 inner connection.
The Baader Metal Dust Cap with M54 Internal Thread from Alpine Astronomical is a dustproof closure for compatible Baader M54 system accessories. It's made of black anodized metal and features a 59mm outer diameter and M54 x 0.75 inner connection.