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1.25inch Abbe Orthoscopic Eyepiece 4.5mm/7.5mm/10.5mm Achromatic Eyepiece With Long Eye Relief For Astronomical Telescopes - Telescope - AliExpress
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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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