![]() ![]() The eyepiece has a twist-up eyecup that can be raised or lowered to provide the eye relief you find most comfortable. Spherical aberration of the exit pupil is well controlled, so there are no serious blackouts or kidney-bean effects if you move your eye slightly off the axis. Every air to glass surface is broadband multi-coated for peak light transmission and outstanding contrast on subtle lunar and planetary detail. With sixlens elements in this unique design, this eyepiece is fully internally baffled and all internal spacers have antireflection microbaffles on their edges with flat black anodizing to reduce reflections when viewing the Moon and bright planets. Unlike many more expensive eyepieces for planetary observing, the Starguider Dual ED 15mm eyepiece maintains an excellent eye relief of 20mm. Perform as well as other, more expensive Orthoscopic and Plossl eyepieces Description ![]() 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 definition Go to FeatureThe Agena StarGuider Dual ED eyepieces feature high contrast, 2 element ED glass Agena 1.25" Starguider Dual ED Eyepiece - 15mm Note that the color of the trim on the eyepiece may change at any time and may not exactly match the color depicted above. It is threaded to accept standard 1.25" astronomy filters and weighs approx. This eyepiece is parfocal with other focal lengths in this series, minimizing the amount of refocusing needed when switching from eyepiece to eyepiece. With five lens elements in this unique design, this eyepiece is fully internally baffled and all internal spacers have antireflection microbaffles on their edges with flat black anodizing to reduce reflections when viewing the Moon and bright planets. Unlike many more expensive eyepieces for planetary observing, the Starguider Dual ED 8mm eyepiece maintains an excellent eye relief of 16.5mm. These can be used in any astronomical telescope that can accept standard 1.25" eyepieces. Rubberized body with retractable eyecups for optimum adjustment DescriptionĪgena's StarGuider Dual ED eyepieces are long eye relief eyepieces with a comfortably wide field for planetary observing that also give the sharpness, high contrast, and lack of lateral color and light scatter of the finest orthoscopic and Plossl designs. Note that the color of the trim on the eyepiece may change at any time and may not exactly match the color depicted above.Go to Feature1.25" eyepiece 8mm focal length 60 Apparent Field of viewįully multi coated optics 5 lens elements in 3 groupsĬost-effective alternative to expensive Orthoscopic and Plossl eyepieces ![]() It is threaded to accept standard 1.25″ astronomy filters and weighs approx. ![]() These can be used in any astronomical telescope that can accept standard 1.25″ eyepieces. Agena’s StarGuider Dual ED eyepieces are long eye relief eyepieces with a comfortably wide field for planetary observing that also give the sharpness, high contrast, and lack of lateral color and light scatter of the finest orthoscopic and Plossl designs. ![]()
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