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Astrophotography food fight! What do you think is the most versatile focal length for a telescope and astrophotography? Which telescopes are the most enjoyable to use? I review my impressions of telescope focal length after 1 year with my three telescopes (William Optics Redcat 51, Explore Scientific ED102, and the Celestron C9.25 SCT). We're interested in cost, ease of use, and target selection.