Astro Tutorial #1.5: Focal Length and Aperture
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Astro Tutorial #1.5: Focal Length and Aperture
- - New version with enhanced audio quality: https://youtu.be/eQXigVT52Pw - - Hey folks, in this video we cover the defining properties of a scope. We will discuss: - Focal length and - Aperture and what other properties derive from those two. So what should a scope claim to catch your attention? Why shouldn’t you buy a “300x magnification ...
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