This 1.25in filter wheel lets you use up to 5 different filters and change them within just a few seconds. Filter positions indicated by the numbers 1-5. Simply note the reference number of each filter during installation, then rotate the knurled wheel until the desired number is displayed in the small notch in the filter wheel housing. Features: This 1.25in filter wheel lets you use up to 5 different filters (not included) and change them within a couple of seconds. The telescope side of the filter wheel comes supplied with a 1.25in adapter, allowing you to quickly and easily attach it to your focuser. A huge time-saver for filtered planetary and lunar observation using different color filters, or for tri-color astrophotography pursuits. It is ideally suitable for visual observations with 1.25in eyepieces. It is also perfectly suitable for astrophotography with single lens reflex cameras and CCD cameras. Features a helpful number system that allows you to quickly place the filter (not included) of your choice into the light path. Specifications: Material: Aluminum Size: 9.6*15*5cm/ 3.8*5.9*2in Weight: 386g/ 13.6oz Package List: 1 * set of filter wheel
