JMI Combination 1.25-inch Eyepiece and T-Thread Adapter Upgrade Kit or loose gravel

or loose gravel

See the Adjustable Tri-Bahtinov for 13" to 16" OTAs →

If you have a telescope with 200–205 mm tube outer diameter

high optical throughput and great resulting colors for galaxies

and let you aim the guide scope precisely — a rigid platform for autoguiding and wide-field imaging

JMI Combination 1.25-inch Eyepiece and T-Thread Adapter Upgrade Kit or loose gravelJMI 2" Focuser 1. 25" Eyepiece + T Thread A combination adapter for a 2" focuser run a 1. 25" eyepiece for visual, or thread on a camera for imaging. The JMI Combination Adapter (ADPT2 1. 25T) inserts into a 2" focuser drawtube and does the work of two adapters in one. On the visual side it holds a 1. 25" eyepiece on a non marring compression ring for precise, scratch free centering. On the imaging side it carries a standard T thread (T2 M420. 75), so