OSEELANG OSL-206is ideally suitable for visual observations with 1.25 eyepieces. And with the included T2 adapter it is also perfectly suitable for astrophotography with single lens reflex cameras and CCD cameras. The included T2 adapter comes with a locking ring, whereby high-precision distance regulation becomes possible. Its very sturdy aluminum housing makes it also suitable for heavy cameras. The filters can be changed very quickly at any time, even with the camera mounted or with the eyepiece inserted. Features: 1.High-quality telescope filter wheel allows you to quickly and easily change 2.The robustly constructed filter wheel is supplied with a 1.25 eyepiece adaptor, 1.25 focuser nosepiece, T-2 camera adaptor and locking ring and 42mm metal dust cap 3.M28.5X0.6 standard filter interface 4.The filter wheel can be attached to your focuser either by the supplied 1.25 nosepiece adaptor or via a T-thread 5.The Filter Wheel features a helpful number system that allows you to quickly place the filter of your choice into the light path. 6.Type: Manual 7.Color: Black 9.Pls note: this item only for 1.25 5 position filter wheel, the camera the filters and eyepiece just for demo, thank you!