How to Choose Your Telescope Magnification - Sky & Telescope - Sky & Telescope
astronomical optics, part 2: telescope & eyepiece combined
Telescope Equations
How to Choose Eyepieces for Your Astronomy Telescope
Telescope Equations: Magnification
Two-mirror telescope aberrations
NASA - Build a Telescope
Newtonian Reflecting Telescope Designer
How to Calculate the Magnification of Any Telescope (Calculator) - Look at the Sky
Telescope Magnification Calculator - Calculator Academy
What is the magnifying power of the Galilean telescope, and what were the details of its components? - Quora
Cassegrain Optics - CCDSH
Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
Calculation of magnification in low vision
Tele Vue Optics: Imaging Methods
Telescope, CCD and Eyepiece Calculator - Deep Sky Watch
Refractive Telescopes
Telescope Equations: Star Magnitude Limit
Telescope Equations: Magnification
Telescopes and Microscopes
Optics for Astronomy
Telescope Magnification Calculator
Refractive Telescopes
