Clean And Protect Your Mirrors And Lenses
It is always better to protect your Telescope Optics than to clean them. Cleaning optics can reduce the light collecting power by accidently scratching or removing the enhanced coatings placed on them. A mirror or lens will eventually get dirty and dusty.
The best way to protect your mirrors or lenses is to use a good fitting dust caps. Dust caps should be used on the eyepieces as they have enhanced coatings on the lenses as well. If you own a open tubed reflector like a Newtonian, it’s best to put a dust cover over the end of the tube where the main mirror is as well. Read more
