Swarovski Optik 58142 10x30 CL Companion Water Proof Compact Roof Prism Binocular with 5.7 Degree Angle of View, Tan Traveler

Swarovski Optik
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List Price: $1,210.00

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About Swarovski Optik

Whether you're home or away, a seasoned expert or on your first steps toward becoming a nature observer - the compact size of the CL Companion means you can keep it at your fingertips for whenever the moment takes you. The Swarovski Optik CL Companion 10 x 30 Lightweight Compact Roof Prism Binoculars (Tan Traveler) is perfect for birdwatchers and nature lovers of every level and in all situations.

It features high reproduction quality and transmission for bright, high-contrast images, SWAROBRIGHT, SWARODUR and SWAROTOP coatings, non-slip, easy-to-handle focusing wheel. Slender construction due to high-precision roof prism system with phase-corrected coating (P-coating). Individually adjustable twist-in eyecups made from allergy-tested material.

Swarovski Optik Features

  • Fully Multi-coated Lenses: Increase light transmission with multiple anti-reflective coatings on all air-to-glass surfaces
  • Phase Correction: Enhances resolution and contrast through roof prisms
  • BaK-4 Prisms: Optimize light transmission
  • Roof Prisms: Appreciated for a streamlined shape and durability
  • Polycarbonate and Aluminum Body: Is lightweight
  • Rubber Armoring: Provides a secure, non-slip grip
  • Adjustable Eyecups: Twist up and down for comfortable viewing with or without eyeglasses
  • Center Focus Wheel: Adjusts both binocular barrels at the same time
  • Right Eye Diopter: Adjusts for differences in a user's eyes. Located by the right eyepiece
  • Waterproof: Optics are sealed with O-rings to prevent moisture, dust and debris from getting inside the binocular
  • Fogproof: Barrels are filled with nitrogen gas to inhibit internal fogging

Swarovski Optik Specifications

Objective lens ° (mm)
Exit pupil ° (mm)
Exit pupil distance (mm)
Field of view at m/1000 m / ft/1000 yds
Field of view (degrees)
Field of view with eye glasses (degrees)
Subjective field of view
55 apparent (degrees)
Shortest focusing distance (m/ft)
3 / 9.8
Dioptric compensation (dpt)
± 4
Interpupillary distance (mm/in)
56-74 / 2.2-2.9
Functional temperature
-25 deg.C/+55 deg.C ( -13 deg.F to +131 deg.F)
Storage temperature
-30 deg.C/+70 deg.C (-22 deg.F to +158 deg.F)
Submersion tightness
4m / 13ft water depth (filled with nitrogen)
Nitrogen Filling
Weather Resistance
Waterproof & Fogproo
Dimensions (L x W x H)
119 x 114 x 58 mm/4.7 x 4.5 x 2.3"
Weight approx
515 g/ 18.2 oz
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