Svbony SV112 includes the parts you will need for both "prime focus" and variable "eyepiece projection". Fits telescopes with a standard 1.25'' eyepiece port.
1. The variable feature lets you to adjust length to vary the magnification for perfect framing of your shoots
2. Fits telescope with a standard 1.25'' eyepiece port and the 1.25'' barrel is threaded to accept standard 1.25'' eyepiece filters
3. Compatible with maximum eyepiece diameter is 42mm
4. Built-in protective pressure ring to prevent the appearance of eyepiece barrel from being scratched