Silva Expedition 4-6400/360 Compass

The Silva Expedition 4-6400/360 is a professional baseplate compass designed for orienteering and outdoor navigation. Featuring dual measurement scales in 360 degrees and 6400 mils, it offers precise direction finding for both civilian and military use. The integrated declination adjustment allows for permanent correction, ensuring accurate bearings without manual calculation. Luminous markings enable night navigation, while the magnifying lens and multiple map scales (1:25,000, 1:50,000, 1:40,000) facilitate detailed map reading. The high-quality steel needle with sapphire jewel bearing provides stable and accurate readings, and the durable acrylic housing with rubber grip ensures a secure hold in wet conditions. Additional features include a slope card, clinometer, and detachable neck strap with scale. Water resistant and operable from -20°C to +60°C, this compass is built for rugged environments.

Advantages

Dual scale system (degrees and mils) for versatile use. Permanent declination adjustment eliminates manual errors. Luminous markings for low-light conditions. Integrated magnifying lens and multiple map scales for detailed navigation. Robust construction with rubber grip for reliable handling.

Suitable for

• Orienteering and adventure racing
• Hiking and backpacking
• Military and tactical navigation
• Outdoor education and survival training

Key specifications

• Compass Type: Baseplate / Orienteering Compass
• Measurement Scales: 360 Degrees, 6400 Mils
• Declination Adjustment: Integrated, Permanent
• Luminous Markings: Yes
• Magnifying Lens: Yes
• Map Scales: 1:25,000, 1:50,000, 1:40,000
• Ruler Scales: Millimeter, Inch
• Needle Type: Sapphire Jewel Bearing, High-Quality Steel Needle
• Housing Material: Durable Acrylic
• Rubber Grip: Yes
• Slope Card: Yes
• Clinometer: Yes
• Neck Strap: Yes, with detachable scale
• Water Resistance: Water Resistant
• Operating Temperature: -20°C to +60°C
• Accuracy: ±1 Degree

Recommendations

For optimal performance, calibrate the compass before each use and store away from strong magnetic fields. The integrated declination adjustment should be set according to your local magnetic declination for accurate bearings.