Archivos del blog
Focal Ratio of a Telescope, Explained - The Alien Tech
Telescope Focal Ratio Explained - YouTube
Most Important Telescope Specs Explained for Beginners – Night Sky Gazing
what telescope should i look for?
Focal length in detail - Beginners Forum (No Astrophotography) - Cloudy Nights
The Ultimate Guide to Celestron Optical Tubes | Celestron
focal ratio - Society for Popular Astronomy
Image Resolution: Effect of Focal Ratio - Beginning Deep Sky Imaging - Cloudy Nights
Confused with scope focal length - what am I missing? - Beginners Forum (No Astrophotography) - Cloudy Nights
What does focal ratio mean in telescopes? - Quora
Aperture, focal length and focal ratio - Optics Trade Blog
How Focal Ratio Affects Your Astro Images - Sky & Telescope - Sky & Telescope
Astro Tutorial #1.6: THE F-RATIO "fast" vs "slow" scopes - YouTube
Telescope stats explained | BBC Sky at Night Magazine
Optical system of a telescope
Telescopes: Focal ratio, plane and telescope types - YouTube
Optical system of a telescope
Focal Ratio vs. Aperture: What Makes an Object Look Brighter Through a Telescope? - Sky & Telescope - Sky & Telescope
Comprehensive Telescopes Designs Guide
Light Vortex Astronomy - Article: How to Very Accurately Calculate your Telescope's Effective Focal Length
f-ratio myth
Please explain focal ratio vs. exposure time - Beginning Deep Sky Imaging - Cloudy Nights
h-alpha and white light sun images
