Details
The roof prism and porro prism binoculars of the S series have an objective lens diameter greater than 40 mm. Equipped with the same high-quality coatings of the A series, impeccable image quality is guaranteed. Characteristic of this series is the high light-gathering power due to the large objective lens diameter.
Multiple coatings on all lenses
Optimum light transmission is one of the most important aspects for the visual quality of binoculars. This is also the focus of the new technologies for the current PENTAX Sport Optics series. For example, the "Full Multi-Coating" of all lenses is considered the new standard coating. It improves light transmission and contrast while minimizing reflections and providing excellent color fidelity.
Enhanced Light Transmission Coating
The new "Enhanced Light Transmission Coating" raises the optical level of the new PENTAX binoculars to a significantly higher level. This optimized light transmission coating increases light transmission and guarantees exceptionally bright images with precise color reproduction.
Lens protection coating
The S-series lenses are specially coated with the "Protective Lens Coating". This nanotechnology-based water, oil, dust and dirt repellent hydrophobic protective coating of the outer optical elements permanently prolongs viewing comfort.
BaK4 glass prisms
Since the light rays in a prism are deflected several times at different angles, the quality of the optical glass is of decisive importance. For this reason, only prisms made of high-purity BaK4 glass with a high refractive index are used for PENTAX binoculars.
Phase correction
The design of roof prisms presents a special challenge. Here, the light rays are reflected several times, resulting in a shift of the light waves. An additional phase correction coating on all PENTAX roof prisms corrects the frequency of the light rays back to the natural value.
Waterproof
All binoculars with the additional designation "WP" are waterproof according to JIS class 6 and can therefore withstand accidental immersion in water up to 1 m deep.
Nitrogen filling
All binoculars in the S series are nitrogen-filled to prevent condensation in the binoculars as well as the ingress of dust and minute airborne particles.
Internal focusing
Internal focusing protects the binoculars from penetration by dust, foreign bodies and moisture. This ensures functionality over a long period of use.
Long eye point
The long eye point on PENTAX binoculars allows very comfortable use. Spectacle wearers in particular will appreciate being able to capture the full field of view.
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