Need help: collimating a Maksutov type telescope - ATM, Optics and DIY Forum - Cloudy Nights
Instruction of Collimating
How to Check and Fix Telescope Collimation in the Field • PhotographingSpace.com
Astromania 1.25Inch Metal Collimating Cheshire Eyepiece without Laser for Newtonian Reflector Telescope - Short Version: Telescope Accessories: Amazon.com.au
La collimation de mon maksutov Gregory - astro 10 microns - Astrosurf