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Steiner Optics

BluHorizons 10x42


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Steiner Optics Return policy
SKU# 2345-steiner
Please allow up to 5-7 business days for your order to ship.
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About BluHorizons 10x42

The 10x magnification enables high detail recognition and the large 42mm lens diameter ensures a clear view, even in low light conditions.


Included Accessories: Case, Cleaning Cloth, Strap


AUTOBRIGHT TECHNOLOGY FOR THE PROTECTION OF YOUR EYES with sunlight-adaptive lens technology dims brightness automatically, to offer the best view in any situation.

FAST-CLOSE-FOCUS central focusing wheel requires minimal, step-less rotation for quick absolute sharpness from close-up to infinity – comfortable, easy to use.

OUTSTANDING RUGGEDNESS with durable polycarbonate Makrolon housing, Water-resistant or Rainproof IPX4 protects the optic against fogging up inside at temperature range between –20°C to +70 °C. Non-slip NBR-Long life rubber armor protection resists oil, acid or adverse weather. Impervious to harsh conditions for generations of trusted use.

ERGONOMIC DESIGN providing comfortable long-term observations. Ergonomic pliable eyecups made of soft, skin-friendly and non-aging silicone protect against incident light and draught. Simply to be folded down for use with eyeglasses.

LIGHTWEIGHT roof prism design has less bulk to fit into your pack and stay out of the way while observing.

EXTENSIVE ACCESSORIES comes with a neoprene bag and carrying strap.


  • Ranging Distance: -
  • Focus System: Fast-Close- Focus™
  • Optics Systems: Auto Bright
  • Close Focus: 6 ft
  • Angle of View: -
  • Exit Pupil: 4.2 mm
  • Eye Relief: -
  • IP Distance: 56 - 72 mm
  • Diopter Range: +/- 5 dpt
  • Luminosity: 17.64
  • Twilight Factor: 20.49
  • Compass: No
  • Eyecups: Ergonomic
  • Rubber Armoring: NBR Long Life Rubber Armoring
  • Waterproof: Rainproof IPX4
  • Weight: 25 oz
  • Dimension (HxWxL): 6.69 in x 5 in x 6.69 in
  • Neck Strap: Comfort
  • Neck Strap Attachment: Fixed
  • Battery: -
  • Special Features: -
  • Warranty: Heritage™ Warranty
  • Nitrogen Filled: No
  • Objective Cover: No
  • Rain Protection Cap: No
  • Carry Case: Nylon

Tech Specs

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BluHorizons 10x42
Steiner Optics