This is a high-quality Antares 1.25 25mm Plossl eyepiece with focusable crosshairs (single), perfect for alignment and tracking. To obtain razor-sharp focusing of the crosshairs, merely turn the upper part of the eyepiece.
A high quality double crosshair 12.5mm super plossl eyepiece. This eyepiece is ideal for manual guiding and also drift alignment. Due to the double crosshair you get a central box to keep your guide star/image in the center of your field.
Reticle eyepieces are ideal for aligning goto telescopes on alignment stars in addition to being useful for guiding accurately during long exposure astro imaging. The CrossAaim reticle has an adjustable brightness red illuminator in order tp preserve your dark adapted night vision and has fully coated optics for maximum light transmission.
Series 4000 Plössl 9mm Illuminated Reticle Eyepiece: The most advanced commercially-available illuminated reticle eyepiece, this Series 4000 Plössl 9mm model includes micrometric x-y positioning controls which greatly facilitate locking onto the guide star.
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