Olympus 10x42 Pathfinder EXPS I Binocular

B&H # OL10X42PF MFR # 108789
Olympus 10x42 Pathfinder EXPS I Binocular


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Product Highlights

  • Olympus' Premium Porro Line
  • Great for Birding or Hunting
  • Practical for Stadium Sports
  • High Index BaK-4 Porro Prisms
  • Robust, Rubber Armored Body
  • 5.5° Angle of View
  • Fully Multicoated Optics
  • Aspherical Eyepiece Lenses
  • Long Eye Relief
  • Helicoid Style Eyecups
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The Olympus 10x42 Pathfinder Binocular provides premium-level porro prism performance at an attractive price.  It is chock full of good features:  high index BaK-4 porro prisms, fully multicoated optics with aspherical lenses, fantastic ergonomics enveloped by rubber armor, and long eye relief.  It is a great choice for a birder or big game hunter, and also makes for a practical stadium sports viewer.  This 10x model, with its 42mm objective lenses, is a great twilight viewer that also provides a more magnified, distinctly larger subject than the usual 7-8x designation.

Olympus' premium 10x porro prism binocular
Great for birders, hunters, or more distant stadium sports action
Fully multicoated optics with aspherical eyepiece lenses
High index BaK-4 porro prisms
Robust, rubber armored housing
True field of 5.5°
Long eye relief
Modern style twist-down eyecups
UPC: 050332133853
Prism Type Porro
Magnification 10x
Objective Lens Diameter 42mm
Angle of View 5.5°
Field-of-View 289' @ 1000 yd / 95.95 m @ 1000 m
Minimum Focus Distance 13.12' / 4 m
Exit Pupil Diameter 4.2  mm
Eye Relief 18  mm
Interpupillary Adjustment 60 - 70 mm / 2.36 - 2.76"
Dioptric Correction ±2
Focus Type Center
Tripod Mount None
Dimensions 7.1 x 2.2 x 5.1" / 18.03 x 5.59 x 12.95  cm
Weight 1.73 lb / 785 g
Packaging Info
Box Dimensions (LxWxH) 7.9 x 3.6 x 6.9"
Olympus 10x42 Pathfinder EXPS I Binocular
  • Vinyl Case
  • Woven Strap
  • Lifetime Warranty
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