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Home > Telescope Accessories > Extension Tubes
William Optics 4" Extension tube for FLT 98,FLT 110 and FLT 132 telescopes is very useful if you use a CCD or need more drawtube extension but still expect flexure in your train.
This very handy variable extension tube allows you to exactly set the distances between T-2 products such as coma correctors or reducers and your imaging or other optical equipment.
Extension tube to extend your M68 optical system by an extra 100mm, extend any M68 threaded system or combine with Baaders Clicklock eyepiece clamps
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