BX-1 Yosemite 10x30mm Binoculars

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Smaller interpupillary distance adjustments mean anyone from children to adults can enjoy the serious optical performance of the BX-1 Yosemite® Series binoculars.

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Product Details

Synergy Built

Synergy Built binoculars and spotting scopes bring together every aspect of design, sourcing, engineering, production, and quality control into a cohesive unit. By definition, Synergy Built optics are greater than their individual parts, and suffice it to say the sportsmen and women who put a set of Synergy Built optics to their eyes are the utimate winners once again.


  • Smooth Focusing
  • Twist Up Eyecups
  • Armor coated, rugged, and waterproof.
  • L-Coat™ BAK4 Prisms
  • Close focus distance of 10 feet.
  • Ergonomic Design
  • Diopter Focus
  • Narrow Interpupillary Distance
  • Porro Prism Design
  • Fully Multi coated Lens System


  • Interpupillary Distance (low) 50.00 (high) 70.00
  • Actual Magnification 10.00 x
  • Objective Clear Aperture (mm) 30.00 mm
  • Linear Field of View (ft/1000 yd) 351.00 ft
  • Linear Field of View (m/1000 m) 117.00 m
  • Angular Field of View (degrees) 6.70 degrees
  • Twilight Factor 0.00
  • Weight (oz) 17.00 oz
  • Weight (g) 482.00 g
  • Length (in) 4.50 in
  • Length (mm) 115.00 mm
  • Eye Relief (mm) 15.50 mm
  • Close Focus Distance 11.00 ft
  • Close Focus Distance (m) 3.30 m