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Optics » Binoculars » Binoculars » Pentax
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The Pentax 10x50 DCF SP Binoculars have all the quality features you'd find in higher-priced models at a fraction of the cost. The exceptional image quality and edge-to-edge sharpness come from a long list of outstanding features including an inner-focus optical design incorporating hybrid aspherical eyepiece lenses, high-resolution phase-coated roof prisms, hydrophobic coating on exposed objective and eyepiece lenses, and multi-coated optical elements. Coupled with a magnesium-alloy body with JIS Class 6 waterproof construction, these high-performance models are the only choice for discerning users with uncompromising standards. The Pentax DCF SP Binoculars are perfect for a wide variety of applications such as close-up viewing and use in less-than-ideal weather conditions. More
smc Multi-Layer Lens Coatings:
To improve the overall transmission and resolution, lens-coatings are used to reduce reflection and loss of contrast.
With the use of Super Multi Coated lenses, Pentax achieves high efficiency allowing light transmission of up to 98%!
The Pentax smc coating is a complex and sophisticated 7-layer coating that corrects light-transmission over the full light spectrum.
It is renowned throughout the optical industry.
A prism is a complex optical element necessary to correct the image to right way up,
and reduce overall length of the binocular.
In a prism, light travels through complicated angles and so the quality of the prism glass used is of significant importance.
Pentax uses exclusively high-indexed BaK4 prisms; made of very pure Barium glass.
Aspherical Eyepieces lens:
Edge to edge sharpness is a vital element to comfortable viewing. To achieve this Pentax utilise aspherical lens elements in their eyepieces.
This is a specially shaped lens design that reduces aberration to a minimum.
In their SP and ED models they use hybrid-Aspherical lens elements that have the additional advantage of superior functionality while being lightweight and compact.
Challenge the Elements:
Pentax is one of the few companies who physically test their sport optics against both recognised JIS norms to classify the degree of resistance to environmental influence.
They define and test against: JIS 6; The product is fully water proof and has maximum protection against rain, dust, moisture or internal fogging due to extreme temperature fluctuations.
Their binoculars are double O-ring sealed as well as nitrogen purged so that temporary immersion into
1 meter of water will have no negative effects.
Phase Corrective Coatings:
In roof prism binoculars, light rays are mirrored several times which can result in reduced light transmission.
By adding an additional Phase Correcting coating the light-rays frequencies are corrected to their original values.
Pentax use the latest Phase Correction coating on all their roof prism binoculars.
The Inner Focus function is critical to low-maintenance and long life guarantee. Exposure to airborne particles and moisture is avoided, thereby ensuring that no outside
influences can penetrate the binocular housing and disrupt functionality.
Water droplets on a lens have a negative influence on the ability of light to enter the objective lens.
By using a unique water repellent coating on all outer lenses, Pentax make water "bead" into small, deformed droplets.
The deformed droplets cause less distortion and "slide" more easily off the lens.
Included Accessories: Lens caps, carrying case, carrying strap
Wex Photographic is a trading name of Warehouse Express Limited (registered as company no. 03366976).
Registered Office: 13 Frensham Road, Sweet Briar Industrial Estate, Norwich, Norfolk, NR3 2BT. Showroom: Unit B Frenbury Estate, Drayton High Road, Norwich, NR6 5DP.
Technical specifications are for guidance only and cannot be guaranteed accurate. Errors and omissions excepted.
© 2013 Warehouse Express Limited