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Barlows can effectively double your ep collection. Your 25, using a 2x becomes a 12.5 and the 10 becomes a 5.
Sounds great so far.
But beware of poor quality or even top quality in bad condition. For a barlow to really kick off, you need viewing conditions to be just so. But even with standard viewing, I use mine quite a bit. So I would recommend getting one. The best and first option for (in my opinion) anyone considering new gear, is get along to a star party and ask others, politely, if they would be willing to let you look through their ep's, barlows and so forth. Most people will gladly do that.
This way, you can see the difference with and without barlows for yourself. You can also work out how many mortgages you need for new ep's.
A barlow will not give you a clearer image. The right viewing conditions and better ep's will.
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