Thread: FPL-51 vs FPL-53 ???
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Old 11-05-2008, 10:39 AM
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Robert_T
aiming for 2nd Halley's

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Join Date: Oct 2005
Location: Australia
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FPL-51 vs FPL-53 ???
Hi Guys, I note some APO/ED refractors with FPL-51 and some with FPL-53 fluorite lens... what's the difference?

cheers,

Rob
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