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Eyeskey OP-05 Compass


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The OP-05 hand-held precision compasses are used all over the world by foresters, surveyors, engineers, cartographers, geologists, miners and architects, and many others to measure bearings quickly, reliably, and easily.

Categories: COMPASSES


The OP-05 features optical adjustment. Heavy-duty impact and corrosion-resistant aluminum housings are flat and compact with no protruding or adjustable parts. Needle cards are immersed in a clear, low-viscosity liquid damping for smooth, vibration-free movement. Needle cards pivot on a polished sapphire bearing.

Product Features

  • Graduation interval 1° with accuracy ±1°
  • Scale: Azimuth 360°, Reversed 360°
  • Liquid filled capsule for stable operation
  • Optical reading of card for higher accuracy
  • Anodized light-alloy housing

Glass Material Acrylic
Shell Material Anodized light-alloy
Dial Material Anodized light-alloy
Tripod Mount No
Unit Dimension 76 x 54 x 14mm / 2.99 x 2.13 x 0.55"
Weight 104g / 3.67oz
Direction Scale Degrees
Minimum Scale
Compass Accuracy ±1°
Dip Angle
Damping Oil Yes
Dial Diameter φ37.6mm
Outdoor Functions
Waterproof Yes
Fluorescence No
Operating Temperature -35° C to +60° C / -31° F to +140° F

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Eyeskey OP-05 Compass