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Baader Planetarium Classic Ortho 18 mm Eyepiece 1.25" - BCO-18

Baader Planetarium Classic Ortho 18 mm Eyepiece 1.25" - BCO-18 - Main image
$62.16 $84 In stock

Category: Telescope Eyepieces

Baader Planetarium 18mm Classic Ortho Eyepiece

Baader's 18mm Classic Ortho 1.25" Eyepiece features a quality Orthoscopic optical design housed in a 1.25" barrel. The Classic Ortho eyepiece delivers optimal performance with a full 50° field of view and all blackened-edge optics.

The new Baader Orthoscopic Eyepiece produces the same performance as the original Baader Orthoscopic Eyepiece at an affordable price. Their sharpness and contrast rival other planetary eyepieces costing much more. To achieve this performance and value, Baader drew upon their extensive in-house knowledge and experience, combined with optical designs and processes leveraged from Zeiss.

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Customer Reviews (5.0 / 5 · 5 reviews)

Olivia ★★★★★

The 18mm focal length gives me crisp lunar details I couldn't catch with my older eyepieces, and the 1.25" barrel fit snugly into my focuser. Eye relief is comfortable even for my glasses.

Ruby ★★★★★

Compared to my plossl eyepieces, the image sharpness across the entire field is noticeably better, especially on the moon. The eye relief is tight, but the contrast this ortho delivers on Jupiter more than makes up for it.

Amelia ★★★★★

The 18mm focal length on this one gives a wonderfully relaxed viewing experience—no eye strain even after a half-hour on the Moon. The orthoscopic design keeps stars as tight pinpoints right to the edge, which is something I rarely see in this price range.