Description The Astro Essentials Collimation cap offers a convenient and affordable means of collimating a Newtonian telescope. If you simply look down the focuser drawtube it is hard to tell where to place your eye. If you look Into Your telescope through an Aline and you will see a bright white circle surrounding your eye’s pupil, making it easier to center the primary and secondary mirrors. Fits firmly into the focuser and features a convenient highly reflective inner surface. Includes instructions. Questions? Call us on 1300 ASTRODOG or just use the form! Please enable JavaScript in your browser to complete this form.Name *e.g. "Peter"Contact Number *Email *Product you have a question aboutYour Question *EmailSubmit
