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Planetary Observing with 5mm Eyepieces: Pentax 5mm XO; Baader 5mm Orthoscopic; University Optics 5mm Abbe Orthoscopic and 4.8mm Super Abbe Orthoscopic
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The Pentax 5mm XO: A Planetary Weapon of Choice - Eyepieces (3mm - 13mm) - Articles - Articles - Cloudy Nights
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YLSHRF Telescope Eyepiece 1.25,Datyson 1.25in 8-24mm Zoom Eyepiece Multi Coated Optic Lens for Telescope, Zoom Telescope Eyepiece - Walmart.com
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