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Olympus 10×42 EXPS I Binoculars


The Olympus 10×42 EXPS I 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.

Product Description

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Olympus 10×42 EXPS I Binoculars

The Olympus 10×42 EXPS I Binoculars are Ideal for: Bird Watching | Sports | Hiking

A host of highly advanced features such as BaK4 prisms and fully multi-coated lenses guarantee crisp, sharp imagery in even difficult light conditions. The EXPS I Series is the right choice for viewing the dramatic play of nature.


  • Sharp viewing at any magnification thanks to all-glass lens system
  • Maximum image brightness and contrast thanks to multi-coated lenses
  • Professional Binoculars
  • 10x magnification
  • Aspherical optics guarantee a plasticity and distortion-free view
  • High index BaK-4 porro prisms for bright, crisp edge-to-edge images
  • Long eye-relief with twist-up/down eyepieces
  • Non-slip rubberized coating and grips for a sure hold
  • New ergonomic, contoured design
  • UV coating for care-free viewing
  • Large, centre-focus knob for fast and easy focusing
  • Size W x H x D (mm): 187x 130x 57
  • Weight: 785 g


Special Features

  • Lens quality High-index BaK4 prisms
  • Vision convenience Long eye relief and adjustable eyepieces (twist up/down)
  • Optical coating Full multi-coating / UV coating
  • Specialty Environmentally friendly lead-free glass


  • Type Porro prism series
  • Diopter adjustment range over +/- 21/m
  • Eye interval adjustment range 60 – 70mm
  • Lens configuration 8 elements / 6 groups
  • Magnification 10x
  • Objective lens diameter 42mm Ø
  • Exit pupil diameter 4.2mm Ø
  • Actual field of view 5.5°
  • Apparent field of view 55°
  • Field of view at 100m 9.61m
  • Eye relief 18.4mm
  • Relative brightness 17.6
  • Closest focal point 5m


  • W x H x D 187 x 130 x 57mm (fully extended)
  • Weight 785g

Recommended Uses

  • General use Good
  • Bird watching Excellent
  • Camping / Hiking Excellent
  • Sports Excellent
  • Astronomy Excellent
  • UV-Protection Yes

Order the Olympus 10×42 EXPS I Binoculars online for tracked Delivery or pick up from our Orewa store

Please check stock is available for pick up first

Additional Information

Weight .5 kg
Dimensions 150 × 100 × 50 mm


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