Astromania Astronomical T2-extension Tube Kit for cameras and eyepieces - Length 5mm 8mm 10mm 15mm 20mm 40mm - M42x0.75 on Both Sides

Sometimes you cannot get to the right focal plane for focusing with a camera or eyepiece.

This extension tube kit solves this problem.

You can use this extender with any camera or eyepiece or with various adapters.

The M42*0.75 threads on both ends make it extremely versatile.

Use this extender for obtaining the correct image scale or for the exact spacing required for a reducer or field flattener.

Inner Threaded Design Effectively reduce stray light interference, not only improve the brightness of the image, but also effectively reduce the dark edges formed, the edge details of the image are clearer.

Variable Form The required spacing can be achieved by combining several extenders of differing lengths, you can use 1 piece, 2 pieces , 3 pieces or 4 pieces of the extension rings as you like.

Aluminum Material All metal construction and anodizing aluminium process, durable for long time use.