This will be an ongoing thread to provide a central location for the most useful information in this forum. Although this thread will be locked and "read only" to reduce chatter, I am open to all suggestions regarding what should be linked here. Feel free to post in the forum or PM me with links, suggestions, corrections, etc.
Post a Picture of Your Classic Telescope- with or without you!
Tips on How to Not See Posts by a Specific Forum Participant
Tips on How to Post a Shortened Link
Using Vintage Eyepiece Sun Filters
Comprehensive List of Japanese Symbols -
The Cloudy Nights Classic Scopes Photo Gallery -
Post photos of your classic scopes here and view photos posted by others. Comments are welcomed and encouraged.
Goto Kogaku, Goto Optical on CN
A collection of Cloudy Nights threads related to Goto, their history, and products, as well as some relevant You Tube videos.
Celestron C90 Registry
A place for C90 owners to add their serial number to the registry and discuss all things related to the C90.
Celestron C5 Registry
A place for C5 owners to add their serial number to the registry and discuss all things related to the C5.
Celestron C8 Registry
A place for C8 owners to add their serial number to the registry and discuss all things related to the C8
Swift Registry (Reboot)
A thread for owners of the Takahashi-made Swifts (838, 839, 831) to add their serial numbers to the registry and discuss all things Swift.
Bomber Bob's Vintage Japanese Telescope Registry
A catch-all place to register your serial number for any classic Japanese scope, especially those without a dedicated registry already.
Cave Telescope Mirror Registry
For owners of Cave Astrola telescopes.
A Collection of Unitron Threads
Arguably the most iconic classic refractor of them all.
The Unitron History Project
Beautiful pictorial and company history.
Telescope Classics Wiki
A growing collection of vintage telescope catalogs, brochures, and "how to's". This is a time capsule of scopes from days gone by - useful and entertaining. This is the material formerly archived at Robert Provin's Classic Telescope Catalog site.
Some basic telescope math for new Classics owners