The Interpupillary Distance (max): 72mm (2.83") and Interpupillary Distance (min): 56mm (2.20").

Are these good for long distance viewing such as over a body of water?

25X100 are intended for astronomy so, yeah, long distance viewing.

between the two eye sockets, there is a small dial with a 60 and 70 printed and a white dot on the outside of the dial. What is this?

This is for adjusting the distance between your eyes. The center piece acts as a pivot point. moving the eye sockets closer or further apart while looking though the binoculars you'll see an over lapping image until properly adjusted. The dot will then act as a reference to quickly a line the eye sockets..

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🌌 Unlock the universe—see what others only dream of!

MASSIVE 100 MM OBJECTIVE LENS - Capture more light for breathtaking deep space views and brighter images.
READY FOR ASTRONOMICAL FILTERS - Compatible with standard 1.25" filters to customize your stargazing experience.
PRECISION FOCUS ON EVERY EYEPIECE - Individually adjustable eyepieces ensure perfect clarity tailored to you.
CRYSTAL CLEAR VISION WITH BA K 4 PRISMS - Experience exceptional light transmission and edge-to-edge sharpness.
EXPLORE THE COSMOS IN STUNNING DETAIL - 25x magnification brings lunar craters and planetary features into sharp focus.

The Zhumell 25x100 Tachyon Astronomy Binoculars combine a powerful 25x zoom with a massive 100mm objective lens and BaK4 prisms to deliver bright, sharp views of celestial objects. Designed for serious stargazers, it features fully multi-coated lenses, individual eyepiece focus, and compatibility with standard 1.25" astronomical filters. Includes a sturdy tripod mount and protective case, making it the ultimate tool for deep space observation.

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Brand	Zhumell
Model Number	ZHUG002-1
Optical Zoom Range	25 x
Zoom Range (including digital)	25
Type	Zhumell ZHUG002-1 25x100 Tachyon Astronomy Binocular Case, Black
Lens Mount	Tripod Mount
Included Components	Includes locking metal case, objective lens cap, rain guard, lens cloth, and instructions
Color	Black
Compatible Devices	Standard tripod mount compatible device
Size	25x100 Tachyon Astronomy Binoculars w Case
Lens Diameter	100 Millimeters
Batteries Included	No
Product Dimensions	38 x 27.99 x 62 cm; 8.3 kg

Zhumell 25x100 Tachyon Astronomy Binoculars with Case, Black

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