Thread: Long Perng refractors
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Old 25-09-2012, 07:40 PM
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Larryp (Laurie)
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I had a LP90mm, and while it had good optics, there was a lot of false colour. The lens is FPL51 and being so fast, false colour is unavoidable. I would suggest you contact North Group-they make very nice triplet apos at a very good price.
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