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If you are getting a barlow make sure its a good one like the Celestron Optima or the Orion Shorty Plus, they are the same barlow just different badges. Both are fully apochromatic and, as a result, will give better images through the eyepiece and will be a far reaching investment.
A couple of points about optics:
- get the best you can afford and,
- take your time as they are expensive and you need to know why you are buying the eyepiece so you get the right one.
Cheers
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