Steiner 7x50 Marine Binocular

BH #ST7X50M • MFR #575
Steiner
Steiner 7x50 Marine Binocular
Key Features
  • Traditional Porro Prism Design
  • High-Contrast Fully Multi-Coated Optics
  • Silicone-Based Floating Prism System
  • Nitrogen-Filled, Water and Fogproof
Designed with a moderate magnification and large objectives, the Steiner Optics 7x50 Marine Binocular is an ideal choice for hunters, outdoor enthusiasts, and boaters. The power and aperture combination translates to a generous field of view and an impressive exit pupil that helps to mitigate the disorientation common when looking through binoculars on rolling or rough water, or the appearance of the visible hand-shake associated with high-power optics. Its traditional Porro prism optical path provides a rich depth of field to clearly see the difference between near and distant objects, while a proprietary floating prism system absorbs the force from drops or knocks to protect the prisms and their alignment.
In Stock
$299.99

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Steiner 7x50 Marine Binocular

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Steiner 575 Overview

  • 1Description
  • 2Optical Performance
  • 3Use and Handling
  • 4Construction Details

Designed with a moderate magnification and large objectives, the Steiner Optics 7x50 Marine Binocular is an ideal choice for hunters, outdoor enthusiasts, and boaters. The power and aperture combination translates to a generous field of view and an impressive exit pupil that helps to mitigate the disorientation common when looking through binoculars on rolling or rough water, or the appearance of the visible hand-shake associated with high-power optics. Its traditional Porro prism optical path provides a rich depth of field to clearly see the difference between near and distant objects, while a proprietary floating prism system absorbs the force from drops or knocks to protect the prisms and their alignment.

For ease-of-use the Marine is outfitted with Steiner's Sports-Auto-Focus system that enables each eyepiece to be individually focused to ensure the sharpest views possible. The chassis is made of Makrolon polycarbonate which is corrosion, impact and temperature-resistant, and the optical tubes are nitrogen filled and O-ring sealed to be water and fogproof even in extreme weather conditions. Whether in the wild outdoors or on the rolling seas, the Marine binocular will be your constant companion for all your glassing needs.

Optical Performance

  • Moderate 7x magnification
  • Large 50mm objective lenses
  • Traditional Porro prism optical path provides a rich depth of field versus similar roof prisms
  • Proprietary floating prism system uses flexible silicone mount to absorb severe shocks and impacts to limit or eliminate damage
  • 356' field of view at 1000 yards
  • Exceptionally wide 7.1mm exit pupil ensures complete pupil coverage when fully-dilated in low-light to eliminate vignetting
  • Long 20mm eye relief

Use and Handling

  • Sports-Auto-Focus System: Individually focusable eyepieces ensure precise tack-sharp focus for any user
  • 56-74mm interpupillary distance adjustment range
  • Fold-down rubber eyecups for comfortable use with or without eyewear
  • When up, the eyecups seal into eye socket to reduce peripheral light interference which can reduce image brightness

Construction Details

  • Impact and corrosion-resistant Makrolon polycarbonate chassis
  • Chassis' temperature-resistance ensures is stays a comfortable handling temperature in cold or wet conditions, while resisting the expansion and contraction common with metal chassis that can cause the optical components from moving out of alignment over time
  • Nitrogen-filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperature changes
  • Tethered objective lens covers and one-piece ocular rainguard included
  • Weight: 36 ounces
UPC: 000381805751

Steiner 575 Specs

Prism TypePorro
Performance
Magnification7x
Objective Lens Diameter50 mm
Angle of View6.7° (Actual)
Field of View351.7' @ 1000 yd / 117.2 m @ 1000 m
Minimum Focus Distance66' / 20.1 m
Exit Pupil Diameter7.1 mm
Eye Relief20 mm
Interpupillary Adjustment56 to 74 mm / 2.2 to 2.9"
Diopter AdjustmentNone
Focus TypeIndividual
Features
FogproofYes, Nitrogen Filled
Water ResistanceWaterproof
General
Dimensions8.1 x 5.5 x 3" / 20.6 x 14 x 7.6 cm
Weight36.3 oz / 1029 g
Packaging Info
Package Weight3.79 lb
Box Dimensions (LxWxH)10.95 x 9 x 4.65"
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