Product Code: 1522539

Pentax 7x50 DCF Hydro Blue Binoculars

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The Pentax 7x50 DCF Hydro binoculars were developed for especially demanding conditions and are exceptionally precise yet almost unbreakable. An oil-filled compass is built into the eyepiece and bearings are clearly readable in 1 degree steps, and the rangefinder reticle allows easy distance calculation of known objects. Please note that the compass in this Pentax 7x50 DCF Hydro model is for northern hemesphire use only.

7x50 DCF HYDRO additional Features:

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.

BaK4 Prism: 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.

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.

Inner Focusing: 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.

Additional specification

  • Angle of view: 6.4 degrees
  • Exit pupil: 7.1mm
  • Eye Relief: 17.6mm
  • Diopter adjustment range: +/- 3dpt.
  • Eye-Distance Adjustment Range: 59 - 73mm
  • Eyepiece Rings: Helicoid type
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Product Specification

Exit Pupil (mm) 6.8
Eye Relief (mm) 17.6
Field of View (metres at 1000m) 116
Guarantee 30 years
Magnification (x) 7
Objective Lens Diameter (mm) 50
Prism Type Roof
Size (mm) 175 x 134 x 62
Weight (g) 976
Minimum Focus Distance (m) 3.0
Waterproof Yes
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Product Code: 1522539-wex Manufacturers Part Number: 51024 Got a question? Get it answered...