Lensatic Sighting Compass for Hiking

The Lensatic Sighting Compass from Velleora Home Decor is built for people who want a bearing they can trust when the phone is flat. The metal body folds shut into a pocket-sized block and opens into a working sighting instrument: a hinged lid with a sight wire, a folding rear lens, and a liquid-damped card that settles quickly instead of swinging.

To take a bearing you line the wire up with a landmark and read the card through the lens in the same eye movement - the technique this design has used for decades. Luminous markings hold enough charge to be read at dusk, the bezel clicks round in fixed increments for setting a course, and a fold-out ruler edge works against a printed map. A hinged cover protects the glass in a pack.

It suits hiking, camping, hunting, orienteering, boating and emergency kits, and it works with no battery at all. Keep it clear of phones, speakers, car bodywork and other metal when you take a reading, since these can pull the needle off true. Practise with it alongside a paper map before you rely on it in unfamiliar country.

• Folding metal body with protective lid
• Sight wire and rear reading lens
• Liquid-damped rotating card
• Luminous dial markings
• Click bezel for setting a course
• Fold-out map ruler
• No batteries required