![]() The eyepieces are parfocal, minimizing the amount of refocusing needed when switching from eyepiece to eyepiece within the series. A great value, these eyepieces are exceptional at nearly eliminating lateral color aberration and light scatter often associated with more expensive eyepieces that are better suited for deep space objects. This feature is especially useful for telescopes without tracking capability where the object drifts across the field of view during observation. These 1.25″ fully multicoated (FMC) eyepieces give maximum detail and definition across the entire 60 degree field of view (FOV). The Agena StarGuider Dual ED eyepieces feature high contrast, 2 element ED glass Wide 60 degree Field of View (FOV) in 5mm to 25mm focal lengths Exceptional at nearly eliminating lateral color aberration and light scatter while retaining excellent sharpness, contrast and definition 5 or 6 lenses in up to 4 groups comfortable 16-20mm eye relief Perform as well as other, more expensive Orthoscopic and Plossl eyepieces Excellent fit and finish with fully multicoated lenses and flat black anodized internal baffles and field stop Rubberized body with retractable eyecups for optimum adjustment of eye relief 1.25″ barrel with filter thread With a true flat field and two high quality ED glass elements of different glass types, the new Agena StarGuider Dual ED eyepieces are characterized by a significantly high contrast image. The other eyepieces in this series referred to in the item description are sold separately. PRODUCT DESCRIPTION Please note: This listing is for one eyepiece only as described in the item title and specifications. ![]() Agena 1.25″ Starguider Dual ED Eyepiece – 3.2mm Description Ordering Info USA Shipping International Orders Returns Our eBay Store 1. ![]()
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