L15: Cameras
PPLATO | FLAP | PHYS 6.4: Optical instruments
Image Resolution: Effect of Focal Ratio - Beginning Deep Sky Imaging - Cloudy Nights
How Fast is Your Telescope?
Laser Beam Expanders | Edmund Optics
Telescope Equations: Magnification
ZipDob - the Zip Dobsonian - Mel Bartels
Tele Vue Optics: Imaging Methods
what telescope should i look for?
Telescopes for Astrophotography
Telescope Equations: Minimum Magnification
Aperture, f-ratios, myths, etc. | Ask Craig | Stark Labs
Please explain focal ratio vs. exposure time - Beginning Deep Sky Imaging - Cloudy Nights
Schmidt-Cassegrains — Starizona
Telescope stats explained - BBC Sky at Night Magazine
f-ratio myth
Aperture, focal length and focal ratio - Optics Trade Blog
Confused with scope focal length - what am I missing? - Beginners Forum (No astrophotography) - Cloudy Nights
Which Telescope is Best for Me? — Starizona
Simple Formulas for the Telescope Owner - Sky & Telescope - Sky & Telescope
