Description
The Hawke Nature Trek 9-27x56/45 WP (55210) spotting scope is an ultra-compact optical device that fits easily in the palm of your hand, and at the same time provides image quality comparable to full-size spotting scopes. This model stands out for its modern design and reliability of mechanical units. As befits optics of this class, the scope has fully multi-coated lenses, the prism is made of BAK4 optical glass, the polycarbonate body is completely waterproof and filled with nitrogen. It is also worth noting the convenience for close observations, due to the extremely short focusing distance. The neoprene field protective cover is very convenient, it can be left on the scope during its use, which saves time by protecting the device from external influences.
Hawke's fully multi-coated broadband optics provide uniformly high light transmission across the entire visible spectrum, delivering high contrast and colour rendition in natural tones
BAK4 (barium crown) is a special type of optical glass used to make prisms for optical devices. This material has a lower dispersion coefficient (light scattering) than the glass used for budget models. As a result, chromatic aberration (iris at sharp transition boundaries from dark to light) is significantly reduced. In addition, a strictly defined refractive index of light allows avoiding vignetting (the phenomenon of cutting off the light beam at the edges), which ensures a uniformly bright image across the entire field of view.
Waterproof - means that the optics are sealed with an O-ring and are protected from moisture penetration when immersed in liquid for 3 minutes to a depth of 1.5 meters. The static pressure of the liquid at a depth of 1.5 meters will not cause the slightest damage to the device and will not affect its functionality. Such optics are not afraid of any weather conditions.
Fogproof - means that the body is filled with dry nitrogen N2 from the inside, which prevents moisture condensation on the internal surfaces under temperature gradients, there is no fogging from the inside, and, therefore, no corrosion of materials occurs under the influence of moisture. Air is removed from the device and replaced with an inert gas (in this case, nitrogen N2), which does not contain water vapor and does not condense.
Today, polycarbonate is increasingly used to produce optical instrument housings. The use of this material is fully justified by its minimal weight, chemical, thermal, mechanical resistance and ease of processing. Polycarbonate housings are lightweight and at the same time impact-resistant. They do not require additional expensive finishing, such as anodizing or painting.
