Has the itch to buy a fast telescope been looking to burn a new hole in your wallet? Think twice because a "slow" telescope may collect light more effectively than a "fast" telescope. As you'll see, focal ratio is rarely a good way to judge between telescopes because focal ratio is a peasant, focal length is a choice, and aperture is always king!

To view Understanding Focal Length: Trading Speed for Detail, follow this link:    • Understanding Focal Length: Trading S...  

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