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what telescope should i look for?
what telescope should i look for?
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What a telescope's focal length means and why it matters | BBC Sky at Night Magazine
Confused with scope focal length - what am I missing? - Beginners Forum (No Astrophotography) - Cloudy Nights
Telescope Focal Length: Everything You Need To Know
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Everything You Need to Know Before Buying a Telescope | B&H eXplora
