Suunto A-30 罗盘

The A-range of recreational compasses is a series of handy, well designed, navigational aids which are assets in any environment. All four models in the series (A-10, A-20, A-30 and A-40) are compact, high-accuracy instruments made from durable, clear, scratch resistant acrylic that have been ergonomically designed to fit into the palm of your hand for optimum ease of use. These light-weight compasses feature a fixed declination correction scale as well as a patent-pending lanyard snap-lock enabling the compass to be easily detached from the lanyard.

- Balanced for northern and/or southern hemisphere
- Fixed declination correction scale
- Jewel bearing
- Detachable snap-lock in lanyard. Easy to detach for working with the map
- Luminous bezel and markings help to use the compass in dark conditions
- cm or inch scales
- Baseplate with magnifying lens
- Control marking holes

Mechanical compasses have been working as the navigator since several thousands of years. Still today magnetic compass is environmentally friendly, cheap and the most reliable tool when choosing the course. The oldest Suunto field compasses, which are still in use, are manufactured in 1938. A high quality field compass hardly needs any other service than washing in fresh water from time to time. The compass works without any external power supply. The compass gets its power from nature – from the magnetic north pole.