The compass light was also criticised for giving flare out into the field of view, but on the plus side the illumination of the compass scale itself was described as just about perfect. This is used to compare how well binoculars with different size exit pupils can perform under dark conditions: equals the square of the exit pupil diameter. At dusk and at night we compared them by looking at distant objects: Ryde church tower was a favourite.

When switched on, the digital compass display is placed in the centre of the field of view like a head-up display, and there is no obscuring of the field of vision as with the analogue compasses. The PV rating (Peak To Valley) is a measurement from the highest point (Peak) to the lowest point (Valley). We picked up a mooring in Southampton Water off Calshot Spit where we tested the binoculars during the daytime by, for example, reading the names of buoys or looking at distance detail.The Konus Tornado’s lightness and neat dimensions merited praise, although some testers expressed reservations about compass legibility and damping. With the individual eyepiece focus, once set, you can see a sharp image for all relevant nautical distances. The binoculars float, are compact in design and are identical to the Gael Force and Talamex Lankhorst Taselaar Floating binoculars except for the colour and the pattern of the grip inserts.

Looking through the binoculars on a wide of daylight terrestrial subjects (landscapes, street views etc.The PRAKTICA Falcon 7 x 50mm Porro Prism Field Binoculars offer birders, astronomers and sports fans high-luminosity optics with a large field of view.