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SkyMaster Gemini 2x40 Binoculars

SkyMaster Gemini 2x40 Binoculars

Item #: 71010

In stock

$129.95
$129.95

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  • ULTRA WIDE 24° FIELD OF VIEW: The expansive 24° true field of view lets you take in entire constellations at once—perfect for learning the sky and navigating between bright stars.
  • LOW 2x MAGNIFICATION: Gentle 2x power delivers steady, natural views ideal for sweeping the Milky Way, watching meteor showers, and spotting comets.
  • LARGE 40mm OBJECTIVE LENSES: Generous 40mm objectives gather plenty of light for bright, immersive views of large-scale celestial scenes.
  • CITY-SKY & EVENT READY: Low magnification helps preserve detail under light-polluted skies. Also works great for concerts, sporting events, and panoramic landscapes.
  • FULLY MULTI-COATED OPTICS: Multicoated lenses boost contrast and clarity for crisp, detailed views.
  • SIMPLE, RELIABLE DESIGN: Galilean optics with individual focus for each barrel keep operation simple, with no central focus mechanism to adjust.
  • COMPACT & TRIPOD ADAPTABLE: Small enough for a pocket yet tripod-ready for hands-free viewing.

Specifications

General
Magnification: 2x
Objective Lens Diameter: 40mm (1.57")
Angular Field of View: 24°
Linear Field of View (@1000 yds) / @1000 m): 1,260 ft (420 m)
Exit Pupil: 20mm (.78")
Eye Relief: 10mm (.39")
Close Focus: 6.6 ft (2 m)
Interpupillary Distance (max): 72mm (2.83")
Interpupillary Distance (min): 56mm (2.20")
Diopter Adjustment Range: -5 to +3
Twilight Factor: 8.9
Relative Brightness: 400
Limiting Stellar Magnitude: Ideal: 7.1
Lens Coatings: Fully Multi-Coated
Prism Glass (Type): N/A
Prism Coatings: N/A
Weight: 6.8 oz (192 g)
Environmental Protection: Water Resistant (IPX4)
Nitrogen Filled: N/A
Tripod Adaptable: Yes
Carrying Case: Yes
Dimensions: TBD
Included Items: Case
Neck Strap
Eyepiece Cover
Objective Covers
Tripod Adapter
Cloth Hard Shell Zippered Case
Cleaning Cloth
Instruction Manual
Additional Information
Solar Warning
  • Never look directly at the Sun with the naked eye or with this optic. Permanent and irreversible eye damage may result.
  • Never use your optic to project an image of the Sun onto any surface. Internal heat build-up can damage the optic and any accessories attached to it.
  • Never leave your optic unsupervised. Make sure an adult who is familiar with the correct operating procedures is with your optic at all times, especially when children are present.
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See the Entire Sky at Once

SkyMaster Gemini 2×40mm Ultra Wide-Field Binoculars are designed for astronomers who want to experience the night sky as a whole. With an expansive 24° field of view, these binoculars allow you to see entire constellations in a single glance—something traditional binoculars simply can’t do. Star patterns appear just as they do on charts, only brighter and easier to follow.

Made for Meteors, Comets, and Star Hopping

With just 2x magnification, Gemini is a superb instrument for observing objects that move or span wide areas of the sky. Follow meteor showers across long arcs of sky, keep comet tails fully framed, and move from star to star with intuitive precision. The wide-field perspective helps maintain orientation, making it easier to navigate between stars and deep-sky regions.

Bright, Steady, Comfortable Viewing

Large 40mm objective lenses gather plenty of light for bright views, while low magnification makes it easy to hold the image steady. It also helps preserve detail under light-polluted skies, keeping the sky background from appearing overly dark or washed out. Finally, a generous 20mm exit pupil makes viewing relaxed and comfortable.

Simple Design, Effortless Operation

Gemini uses a Galilean optical design with individual focus adjustment on each optical channel. There’s no central focus mechanism to manage—simply set each eyepiece for your vision and enjoy the view.

Compact Enough to Take Anywhere

Thanks to its small, lightweight form, the SkyMaster Gemini is easy to carry in a pocket, small handbag, or stadium-approved clear bag. That portability makes it ideal not only for spontaneous observing and outreach events, but also for sporting events, concerts, and performances where you want magnification without losing the full scene.

For longer sessions or group viewing, mount Gemini to a tripod using the included adapter for steady, hands-free use. Its water-resistant (IPX4) design adds peace of mind when observing outdoors in damp conditions.

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