Check the listing for details. Collimation Mask for Meade 8" LX90 Telescope Duncan Mask. Condition: New. Listed at 16.99 USD. Duncan Collimation Mask for Telescope - Meade 8 Inch telescopes. Meade 8" LX90 . Condition is New. Shipped with USPS First Class. Software Designed and tested. Works great with these and similar models. 3d printed and designed by Spencer 3d. As always fast USPS SHIPPING. 2 TO 3 DAY SHIPPING. BLACK, If need in different color let me know or if need one to fit your telescope let me know I may already have a design, if not I can design to fit yours. , Comes as is in black so if want a different color just let me know I will send other colors. Everything is customizable. So if need a particular size for a particular model. Contact me. I do custom projects as well. SHIPPING CHANGES ARE BEING MADE TO MOST LISTINGS. SLOWLY ALL OR MOST LISTINGS WILL BE CHANGING OVER TO CHARGED SHIPPING INSTEAD OF FREE SHIP. MOSTLY DUE TO HIGHER SHIPPING SUPPLIES PRICES AND SHIPPING CHARGES. BUT THIS ALSO MEANS BETTER SHIPPING OPTIONS AND MORE SHIPPING CHOICES. COST OF SHIPPING REALLY HURT THE BUSNESS LAST YEAR. SO THATS WHY MANY ITEMS ARE CHANGING SO SLOWLY THESE SELL ITEMS THAT WAS FREE SHIPPING WILL BE CHANGING. BUT THIS WILL ALSO MEAN LOWER PRICES SOME ON THE ITEMS THEMSELVES.