Orion 8727 2-Inch Dielectric Mirror Star Diagonal

hello I'm Ken with Orion telescopes and binoculars and this is the Orion 2 inch dielectric Muir star diagonal this is an upgrade from our standard version this is the twist type so instead of having a set screw that pinches down on a little brass compression ring this uses an entire collar that grabs a ring that squeezes evenly from all sides and allows you to very tightly clamp down your eyepiece or other accessory that you're installing it comes with an inch and a quarter to two inch adapter which also uses the twist tight system and I've got a two inch eyepiece here just insert it and tighten it down and now you've got a really nice solid hold on the eyepiece same thing with go with the Internet quarter if you install the two to one and a quarter and then your inch and a quarter eyepiece the advantage of this system is that instead of having a little set screw that grabs on a little