Styrka 10x42 S7-Series Binocular

BH #STS7B10X42 • MFR #ST-35522
Styrka
Styrka 10x42 S7-Series Binocular
Key Features
  • Extra Low-Dispersion Glass Objectives
  • Phase-Corrected BAK4 Roof Prisms
  • Anti-Reflection Fully Multicoated Optics
  • Wide Angle of View: 65°
Styrka designed their 10x42 S7-Series Binoculars as an instrument that combines optical performance with rugged construction to give hunters a valuable advantage in all weather and lighting conditions. Styrka employs multiple technologies to produce crisp and clear images with accurate color representation. First, they use extra-low dispersion (ED) glass elements and phase-corrected BAK4 roof prisms. This combination corrects for chromatic aberration for rich and true color rendition. To increase light transmission, and enhance image brightness and contrast, are fully multicoated optics using the proprietary SXL-MAX anti-reflection coatings and dielectric prism coatings. The optical coatings are engineered to maximize light transmission across the entire visible spectrum which further increases the color accuracy, while the prism coatings reduce light loss through them to virtually zero. While its field of view is decreased versus lower power instruments, its 10x magnification gives users the ability to spot game at further distances and pick them out in heavy brush. Larger 42mm objectives gather more light than smaller objectives without making them too large and cumbersome to carry all-day with a full pack of gear.
Special Order
Expected availability: 7-14 business days
$699.00

Styrka 10x42 S7-Series Binocular

Magnification
10x8x
Sales and export of this item to South Korea are prohibited.
Jacob K., B&H Optics Expert

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Styrka ST-35522 Overview

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

Styrka designed their 10x42 S7-Series Binoculars as an instrument that combines optical performance with rugged construction to give hunters a valuable advantage in all weather and lighting conditions. Styrka employs multiple technologies to produce crisp and clear images with accurate color representation. First, they use extra-low dispersion (ED) glass elements and phase-corrected BAK4 roof prisms. This combination corrects for chromatic aberration for rich and true color rendition. To increase light transmission, and enhance image brightness and contrast, are fully multicoated optics using the proprietary SXL-MAX anti-reflection coatings and dielectric prism coatings. The optical coatings are engineered to maximize light transmission across the entire visible spectrum which further increases the color accuracy, while the prism coatings reduce light loss through them to virtually zero. While its field of view is decreased versus lower power instruments, its 10x magnification gives users the ability to spot game at further distances and pick them out in heavy brush. Larger 42mm objectives gather more light than smaller objectives without making them too large and cumbersome to carry all-day with a full pack of gear.

Complimenting their optical performance are construction details that make it an ideal companion in all weather and conditions. The housing is nitrogen filled to make them fogproof with extreme changes in temperatures, and O-ring sealed to give them an IPX7 rating allowing them to be submerged to a depth of 3.3' for up to 30 minutes. Rugged armoring protects the binoculars from drops and impacts while providing a slip-resistant grip - especially in cold and wet weather. A large center focusing wheel enables precise control even while wearing gloves, and tethered objective covers and ocular rainguard ensure that you won't lose them in the field during use.

Optical Performance

  • 10x magnification
  • 42mm objectives
  • BAK4 roof prism optical path
  • Extra-low dispersion (ED) optical glass provides tack-sharp images and enhanced color correction while increasing clarity in low-light conditions
  • Highly reflective dielectric prism coatings increase contrast and light transmission
  • Phase-corrected prisms improve image quality and color rendition
  • Broadband fully multicoated optics with SXL-MAX anti-reflective coatings to increase image brightness, sharpness and contrast with true color rendition across the entire visible spectrum
  • 341' field of view at 1000 yd
  • Wide 65° apparent angle of view

Use and Handling

  • Closed bridge configuration
  • Large ribbed center focus wheel
  • ±3 right-eye dioptric correction
  • Twist-up rubber eyecups
  • 58-72mm interpupillary distance
  • 17mm long eye relief
  • 4.2mm exit pupil

Construction Details

  • Rubber armoring provides external protection and a secure grip
  • IPX7-rated and nitrogen-filled for water and fogproof performance
  • Submersible to 3.3' for up to 30 minutes
  • Tethered objective lens covers and ocular rainguard
  • Tripod mountable with optional adapter
  • Weight: 23 oz
UPC: 889151355227

Styrka ST-35522 Specs

Prism TypeRoof (BAK4)
Performance
Magnification10x
Objective Lens Diameter42 mm
Angle of View6.5° (Actual)
Field of View341.2' @ 1000 yd / 113.7 m @ 1000 m
Minimum Focus Distance41.9' / 12.8 m
Exit Pupil Diameter4.2 mm
Eye Relief17 mm
Interpupillary Adjustment58 to 72 mm / 2.3 to 2.8"
Diopter Adjustment-3 to +3
Focus TypeCenter
Features
FogproofYes, Nitrogen Filled
Water ResistanceWaterproof, IPX7
General
Dimensions5.5 x 5.1 x 2.1" / 14 x 12.9 x 5.3 cm
Weight23 oz / 652.1 g
Packaging Info
Package Weight3.4 lb
Box Dimensions (LxWxH)8.5 x 7.8 x 3.9"
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