The Pentax 8 x 40 PCF WPII binoculars are full-sized waterproof porro prism optical devices, featuring a large front element for a claimed brighter image. Besides looking professional, they can actually be successfully used while performing different outdoor activities, varying from birdwatching to astronomical observations.



However, this version of Pentax was not designed for underwater use and, therefore, it shouldn't be submerged in water. The porro prism assures a more precise center focusing. This optical device has a real field of view of 6.3 degrees and an eye width adjustment range of 57 to 72mm. Since Pentax is known as a professional in the optic devices' industry, the price should be the last on thing your mind. Still, if you decide to spend some money on this great pair of binoculars, you'll also receive objective lens caps, rain shielding eyepiece caps, case and a neck strap, along with other accessories.



You might also want to know that these binoculars feature a 40 mm aperture and an 8X magnification level, while the angle of view is of 6.3 degrees. When the user is at 1000m, the field of view is of 110m, while the objective lens diameter is around 40 mm. The focus range is a decent 3.5 m one and the water protection system assures the fact that this thing won't suffer too much damage even if submerged under 1 meter of water.



The binoculars' dimensions are 136 x 178 mm(Height x Width), with a 76 mm thickness, and the price tag is somewhere around 150 bucks.