Sky Mentor 1.25" Nosepiece with M42 Threads - TA03 Global recommendation 2 Central obstruction diameter: 77mm

2 Central obstruction diameter: 77mm (3

16 m) Interpupillary Distance (max) 73 mm (2

the 11-inch SCT gathers 41% more light than the 9

This 480 mm refractor even comes with an optical test report to confirm its quality

Sky Mentor 1.25" Nosepiece with M42 Threads - TA03 Global recommendation 2 Central obstruction diameter: 77mmThis T Adapter, or Nosepiece, has a 1. 25" insert barrel and M42*0. 75 threads. You can use it to do prime focus astrophotography with a DSLR by adding a T ring for your specific camera model. The barrel can be inserted into a 1. 25" focuser or 2" to 1. 25" adapter if you have a 2" focuser. Great for Newtonian reflectors. Also works great for other 1. 25" applications that require T2 threads.