StarPal M48x0.75 Metal Extension Tube Kit 4/5/6/7/8/9mm Focal Extension Rings for Astronomical Telescope Photography

This is the M48x0.75 metal extension tube kit.This kit includes 6 metal extension tubes,with lengths of 4mm, 5mm, 6mm, 7mm, 8mm and 9mm respectively. You can achieve the desired extension length by combining multiple extension rings of different lengths. Their outer diameter is 56.5mm, pitch is 0.75.Both internal and external threads are M48x0.75.

• Made entirely of aluminum alloy, with an outer diameter of 56.5mm, it is very sturdy and durable. You can compare it with any other M48 extension tube, and you will understand the importance of choosing this StarPal extension tube.
• Affordable price. This price is not for a single extension tube, but the total price for all 6 extension tubes.
• By combining several extenders of different lengths, the required spacing can be achieved, which can effectively solve the spacing problem in astronomical photography.
• Use this extension tube to obtain the correct image ratio or precise spacing required for the reducer or magnetic field leveler.