![]() ![]() Premium (and costly!) eyepieces that have similar wide fields of view need many exotic glass elements to achieve that wide field of view - as many as 9 lenses or more. The eyepieces are parfocal, minimizing the amount of refocusing needed when switching from eyepiece to eyepiece within the series.Īgena Dual ED Eyepieces vs. 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). 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. Rubberized body with retractable eyecups for optimum adjustment of eye relief Perform as well as other, more expensive Orthoscopic and Plossl eyepiecesĮxcellent fit and finish with fully multicoated lenses and flat black anodized internal baffles and field stop Wide 60 degree Field of View (FOV) in 5mm to 25mm focal lengthsĮxceptional at nearly eliminating lateral color aberration and light scatter while retaining excellent sharpness, contrast and definitionĥ or 6 lenses in up to 4 groups comfortable 16-20mm eye relief The other eyepieces in this series referred to in the item description are sold separately.Įyepieces feature high contrast, 2 element ED glass This listing is for one eyepiece only as described in the item title and specifications. Agena 1.25" Starguider Dual ED Eyepiece 60-deg AFOV, FMC - 25mm ![]()
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