Section2 guides
Binoculars and accessories
Binoculars for the night sky, then the eyepieces, Barlow lenses and filters worth adding to a telescope first.
Binoculars and accessories
Buying guide
Binoculars for Stargazing: 10x50, 15x70 and 25x70 Explained
What 10x50 means, how exit pupil works, which sizes you can hold by hand, and Celestron SkyMaster 12x60, 15x70, 25x70 and 20x80 specs compared.
Buying guide
Telescope Eyepieces, Barlow Lenses and Filters: What to Add First
Which telescope accessories to buy first: a low-power eyepiece, a 2x Barlow and a Moon filter, with the magnification math, finder types and solar filter rules.
Other sections: Telescopes, Smart telescopes and imaging, Gifts

