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When used with the 3" 0
Designed for both the casual stargazer and the dedicated observer
and star clusters in vivid detail
while maintaining the same field angle
making it a versatile choice for astronomers
Long Perng 66mm Refractor FRA600 When used with the 3"Long Perng 66mm ED APO Apochromatic Refractor Telescope Experience the precision of the Long Perng 66mm Refractor, designed with a 400mm focal length for a fast f 6 focal ratio, outperforming standard APOs. This high speed ED APO doublet offers brighter images, a broader field of view, and shorter exposure times for deep sky objects. Equipped with an 80mm air spaced doublet lens crafted with one element of FPL 51 extra low dispersion (ED) glass, it
