Silva Polaris Compass 177

The Silva Polaris Compass Model# 177 is an inexpensive yet very functional compass that is designed to make it easy to use with a map or get your bearings and direction while hiking. The Silva Polaris Model 177 compass provides excellent accuracy and features 2º graduation line increments based on standard 360 degree dial graduations. In addition there’s easy to read numerals printed at each 20-degree mark and a declination scale to allow you to make adjustments from map to field bearings.

The compass is lightweight and weighs in at 0.8 ounces and comes equipped with a ergonomically formed clear base plate that enables it to fit comfortably in your hand. The clear base plate also works great when using with a map to chart your path since you can see through it to mark your way. When it comes to plotting your course on a map with this compass the inch and millimeter marks are quite helpful. There’s a also a rotating capsule for honing in on your exact bearings. To get an exact needle match, you can line up the red needle to the red orienting capsule arrow for mapping and plotting your way.

If you are looking for a durable, no frill compass, that is both functional and low prices the Silva Polaris compass is a great choice. One of the things I wish it had is the addition of a magnifying glass for emergency firestarting. Another feature that is not included is a backlight for nighttime use. However, for a quality compass the Silva compass works well. If you decide to buy you may want to consider purchasing a lanyard paracord to hang it around your neck for easy accessibility.

Here’s some of the best features of the Silva Polaris Compass Model#177

  • 2º graduation lines
  • Declination correction scale
  • Large numbers at each 20º mark
  • Size: 2-1/16″ by 2-7/8″
  • Weighs 0.8 oz
  • Has inch and millimeter rules for mapping
  • Ergonomically designed base plate

Pros:

  • Clear base plate for easy use
  • Durable and lightweight
  • Very inexpensive

Cons:

  • No back light for nighttime use
  • No magnifying glass
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