Cloud Break Optics

72° ED Series 11.5mm Waterproof Eyepiece

72° ED Series 11.5mm Waterproof Eyepiece - Main image
$188.99 $299.99 In stock

Category: Eyepieces

The Explore Scientific 72 degree ED 11.5mm eyepiece with a 1.25 inch barrel is a highly versatile option that delivers a balanced combination of magnification, brightness, and field of view. It is well suited for a wide range of observing targets, from lunar and planetary detail to deep sky exploration. With a 72 degree apparent field of view, this eyepiece provides an expansive and immersive perspective that enhances the overall observing experience. Objects remain in view longer, allowing for more relaxed and continuous observation.

The use of extra low dispersion glass improves clarity and contrast by minimizing chromatic aberration. This results in more accurate color representation and sharper detail, particularly when observing objects that require precision. The comfortable eye relief supports extended viewing sessions and makes the eyepiece accessible to a wide range of users, including those who wear glasses.

This focal length is an excellent choice for observers who want a dependable eyepiece that performs well across multiple types of celestial targets.

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Customer Reviews (4.6 / 5 · 5 reviews)

Madison ★★★★★

I was worried the 1.25 inch barrel might not fit my focuser snugly, but it locks in perfectly without any play. The 72 degree field feels noticeably wider and more immersive than my old Plössls, making the Moon float in black space.

Emily S. ★★★★★

I was blown away by the sharpness and contrast on Jupiter last night—the 72 degree field really pulls you into the view. The 11.5mm focal length gives me just the right magnification for planetary details without making the image too dim.

Eli G. ★★★★★

The 1.25 inch barrel fits snugly in my focuser, and the 72 degree field feels expansive without any edge distortion. I spent an hour on Jupiter’s cloud bands, and the clarity through this ED glass was sharper than my old Plössl.