![Telescope common aperture size comparison chart - Beginners Forum (No Astrophotography) - Cloudy Nights Telescope common aperture size comparison chart - Beginners Forum (No Astrophotography) - Cloudy Nights](https://www.cloudynights.com/uploads/monthly_01_2019/post-206835-0-13128200-1547305490.jpeg)
Telescope common aperture size comparison chart - Beginners Forum (No Astrophotography) - Cloudy Nights
![Amazon.com : Universal Telescope Eyepiece Barlow Lens,Professional Premium Aluminium Alloy HD 2X Magnification Fully Multi-Coated Glass Lens Accessory with M28.6 * 0.6 Thread for 1.25in Astronomical Telescope : Electronics Amazon.com : Universal Telescope Eyepiece Barlow Lens,Professional Premium Aluminium Alloy HD 2X Magnification Fully Multi-Coated Glass Lens Accessory with M28.6 * 0.6 Thread for 1.25in Astronomical Telescope : Electronics](https://m.media-amazon.com/images/I/51ZS7XDNaFL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Universal Telescope Eyepiece Barlow Lens,Professional Premium Aluminium Alloy HD 2X Magnification Fully Multi-Coated Glass Lens Accessory with M28.6 * 0.6 Thread for 1.25in Astronomical Telescope : Electronics
![Amazon.com : Celestron Advanced VX 6-Inch Refractor GoTo Telescope : Refracting Telescopes : Electronics Amazon.com : Celestron Advanced VX 6-Inch Refractor GoTo Telescope : Refracting Telescopes : Electronics](https://m.media-amazon.com/images/I/51L8MrTi3ML._AC_UF894,1000_QL80_.jpg)
Amazon.com : Celestron Advanced VX 6-Inch Refractor GoTo Telescope : Refracting Telescopes : Electronics
A telescope with a 6 inch aperture can magnify twice as much as a 3 inch aperture, but a 6 inch telescope can gather roughly 4 times more light (surface calculations). Why
![Amazon.com : Telescope, Telescopes for Adults Astronomy Professional, 90mm Aperture 800mm Refractor Telescope for Kids Beginners, Magnification 32X-400X,Multi-Coated High Transmission,with Carry Bag & Phone Adapte : Electronics Amazon.com : Telescope, Telescopes for Adults Astronomy Professional, 90mm Aperture 800mm Refractor Telescope for Kids Beginners, Magnification 32X-400X,Multi-Coated High Transmission,with Carry Bag & Phone Adapte : Electronics](https://m.media-amazon.com/images/I/71b7+kaSvTL._AC_UF894,1000_QL80_.jpg)
Amazon.com : Telescope, Telescopes for Adults Astronomy Professional, 90mm Aperture 800mm Refractor Telescope for Kids Beginners, Magnification 32X-400X,Multi-Coated High Transmission,with Carry Bag & Phone Adapte : Electronics
![Telescope Basics 2 (of 6): Learn to calculate magnification for a telescope/understand focal ratios - YouTube Telescope Basics 2 (of 6): Learn to calculate magnification for a telescope/understand focal ratios - YouTube](https://i.ytimg.com/vi/gpnB5w_gZsI/sddefault.jpg)