Very best binoculars for astronomy: Should you be setting up on stargazing, we might recommend a binocular size of around 7x50. The 7x magnification will function well for Astro viewing as a compromise between the sphere of see and magnification, though a 50mm lens will present plenty of light-weight transmission https://canon-cameras75297.59bloggers.com/21435206/the-fact-about-canon-mirrorless-that-no-one-is-suggesting