Meade Advanced Products Users Group The resource website for the LX200, LX90, LX50, LXD55, Starfinder, and ETX telescopes, and Pictor CCD cameras and imaging software.
How to Buy a Telescope Basics, tips, and accessories with suggested reading and articles.
The ETX 70 Homepage Information for specific support given to users of the Meade ETX 70 Telescope and astrophotography with the LPI/DSI Imagers.
AstroDesigns by Ed Stewart Accessory designs and information to enhance the SSE of Meade LX200s, Dobsonian reflectors, and other telescopes plus star charts for computerized telescopes.
All About Telescopes Information on refracting, reflecting and radio telescopes, details on amateur telescopes, eyepieces, mounts, lenses and software.
Collimating Newtonian Optics Consists of two steps: aiming the eyepiece axis at the center of the primary, and aiming the primary at the center of the eyepiece.
Amateur Telescope Optics Presents information on aberrations, obstruction effects, and reflecting, refracting, and catadioptric objectives, and the eyepiece and eye.