Question about Optics
This is a 50mm aperture telescope. The same lens size as a pair of 10x50mm binoculars- slightly more than 1.5 inches.
The maximum magnification of ANY telescope is 50 times aperture, so your scope is about 75 power. The BARLOW is actually useless in this size telescope; it applies too much power. Yes I know the box probably said 250 power but it was a LIE!
Never buy another telescope at CostCo, or Wal Mart, or at a garage sale, or from craigslist unless you know exactly what you are buying.
Put the eyepiece with the LARGEST number written on it into the telescope, DO NOT USE the barlow.
Read my TIPS on my profile page.
Posted on Aug 22, 2010
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Posted on Jan 02, 2017
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