Many new astronomers are surprised to learn that binoculars are highly versatile instruments that can reveal moon craters, Saturn's rings, the Milky Way and more. Advanced astronomers using optical telescopes appreciate that an eyepiece is the essential element that brings elusive stellar images to the naked eye.

PENTAX optics for astronomy include high-performance stargazing binoculars, and the highest quality precision eyepieces for observation and photography in a variety of magnifications and styles. All have unsurpassed optical clarity and are constructed to the highest standards so you can enjoy earth-based astronomical experiences.

All PENTAX Sport Optic products are backed by a full Worry-Free Warranty.

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S Series Binoculars

The S series binoculars are superior quality full sized binoculars that are ideal for the widest range of lighting and weather conditions. Large objective lenses incorporated in the design allow for contrast-rich, bright viewing under all light conditions.

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S Series Binoculars models

12 Total Products


Z Series Binoculars

That’s because PENTAX premium level quality and clarity are within reach, at a price that’s within reach, too. Every Z-series model is built for critical observation.

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Z Series Binoculars models

7 Total Products


PENTAX offers two roof prism binoculars for everyday use - be it moderate or extreme weather conditions. The lightweight PENTAX DCF CS series is available in 8x42 and 10x42 models that offer tough, water resistant, fiber reinforced polycarbonate bodies, a durable internal focus design and a rubber covered exterior.

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DCF CS models

2 Total Products


The PENTAX DCF ED binoculars combine Extra Low Dispersion glass elements, full reflection and phase coated prisms, hybrid aspherical lens elements and fully multi coated optics. Built to last with JIS Class 6 waterproof construction, DCF ED binoculars feature a durable magnesium alloy body and a hard coating to protect exposed lens elements.

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DCF ED models

4 Total Products


The DCF SP series of binoculars, including the award-winning 10x50 DCF SP, has all the quality features you'd find in higher-priced European models at a fraction of the cost. The exceptional image quality and edge-edge sharpness comes from a long list of outstanding features including an inner-focus optical design incorporating hybrid aspherical eyepiece lenses, high-resolution phase-coated roof prisms, hydrophobic coating on exposed objective and eyepiece lenses, and multi-coated optical elements.

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DCF SP models

5 Total Products


See what you might have been missing with the PENTAX PCF WP II series of binoculars. The perfect companions for observations made at dusk or dawn, these high-performance models come with large objective lenses for superior light gathering in even the lowest light conditions.

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PCF WP II models

4 Total Products


The PENTAX XCF series combines outstanding optical performance with exceptional value. Ruggedly styled and providing excellent viewing comfort, the PENTAX XCF series binoculars are as easy to operate as they are to afford.

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XCF models

4 Total Products

XF Eyepieces

PENTAX XF eyepieces offer high-refraction, low-dispersion lanthanum glass elements to provide high-resolution images with minimal aberrations.  Ideal for observation and photography of planets.

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XF Eyepieces models

3 Total Products

XO Eyepieces

The PENTAX XO eyepieces are the perfect choice for high-magnification observation and photography of the planets. Engineered using advanced computer simulation design technology, these high-performance eyepieces features smc full-surface multi-layer lens coating to improve light transmission, high-refraction lanthanum glass elements for clearer images with minimal aberrations, and JIS Class 4 weather proof construction for protection from the elements.

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XO Eyepieces models

2 Total Products

XW Eyepieces

With unsurpassed optical clarity and offering a 70 degree field of view for comfortable viewing, PENTAX offers a wide selection of focal lengths with the XW eyepieces. They feature fully multi-coated lenses to increase light transmission and color quality, high-refraction lanthanum glass elements for high-resolution images with minimal aberrations, and JIS Class 4 weatherproof construction for durability.

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XW Eyepieces models

8 Total Products