Optics for Astronomy
Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
Telescopes and Microscopes
The Astronomical Unit - Tutorials - How a Barlow lens Works
Formulas - Telescope Magnification
Tele Vue Optics: Imaging Methods
Telescope Equations: Star Magnitude Limit
Cassegrain Optics - CCDSH
Two-mirror telescope aberrations
Telescope magnification
How to Choose Your Telescope Magnification - Sky & Telescope - Sky & Telescope
Tele Vue Optics: The Majesty Factor
CalcVerter: Magnification Calculator | Microscope Telescope Optical Image
Telescope Magnification - YouTube
How to Calculate the Magnification of Any Telescope (Calculator) - Look at the Sky
Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
What is the magnifying power of the Galilean telescope, and what were the details of its components? - Quora
Newtonian Reflecting Telescope Designer
Telescope Magnification Calculator
Cassegrain Formulas and Tips by Mike Lockwood
astronomical optics, part 3: the astronomical image
Refractive Telescopes
NASA - Build a Telescope
How to Choose Eyepieces for Your Astronomy Telescope
Lecture 15, Angular Magnification and Telescopes - YouTube
Lowest and highest useful magnification - Optics Trade Blog
Telescope Equations: Magnification
