Telescopes are hard to buy because there are a lot of factors to consider, such as lens size, focal length, resolution, light-gathering power, magnification, and so on. The Finder TW2 is the ideal ...
The telescope part of the Finder TW2 equation shapes up with a 500-mm optical focal length, F6.1 aperture and an optical resolution of 1.7 arc seconds – and boasts 29x optical magnification plus 4x ...
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