Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners
Male thread - M48X0.75; Female thread - M48X0.75; eliminates a range of focusing problems
All metal construction and anodizing aluminium process for long time use
This is a premium anodized aluminum adapter that has filter threads at the bottom for 2 inch telescope filters; allows you to use 1.25 inch eyepieces in any 2 inch telescopes focuser; star diagonal; or holder
Ideal for using high-power; low focal length 1.25 inch eyepieces in a big 2 inch telescope focuser; great for performing lunar and planetary viewing in larger telescopes