Versatile T2 Extension Tubes 3mm 5mm 7mm 15mm 20mm 30mm M42x0.75 on Both Sides for Astrophotography

Features: Brand new and high quality The extension tube kit is used to obtain the correct image focal length or exact spacing required, thereby solving the spacing problem in astrophotography. By combining multiple extenders of different lengths, you get the right focal length to focus with the camera or eyepiece. The M42x0.75 threads on both ends make it versatile. External thread M42x 0.75; internal thread M42x0.75; All metal construction and anodizing aluminium process;durable for long time use. The required spacing can be achieved by combining several T2-Extension Tube of different length;you can use 1 piece;2 pieces;3 pieces ;4 piece;5 piece;6 piece of the extension tubes as you like.

Specifications: Type: Telescope T2 thread Extension Tube Male thread: M42x0.75mm Female thread: M42x0.75mm Length:approx 3mm 5mm 7mm 15mm 20mm 30mm

Note: Due to the problems of lighting effectsand shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.

Package includes: 1 Set Telescope T2-Extension Tube Kit