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In the field, on the range, in a blind, or up a stand, the 10x42 Primus binoculars give you the edge for identifying your target at a distance and the confidence to take the shot.

Inspired by hunters, and outfitted with a high magnification that allows users to make detailed observations of distant subjects, Blaser 10x42 Primus Binoculars combine a slim ergonomic form factor with thoughtfully engineered optical features to give users an optic that is an ideal companion to today's long-range riflescopes.

A short bridge design pulls the center of gravity back toward the eyepieces, so the binoculars' weight is rear biased for a more solid and ergonomic feel in the hand. The lightweight magnesium housing is wrapped in a slip-resistant, elegant, two-tone armor; and the optical tubes are nitrogen-filled and O-ring sealed to be resistant to internal fogging. They are dustproof and waterproof. For long-duration observation sessions, the binoculars are tripod mountable to eliminate shake or vibrations, and reduce arm fatigue.


This image and description is for illustration purposes only and may not reflect the actual representation of the product. We do not guarantee the accuracy, completeness or suitability of this image or description for any particular purpose as this information may contain inaccuracies or errors. To the fullest extent permitted by law, we expressly exclude liability for any such inaccuracies or errors. See full T&C’s

High 10x magnification allows users to make detailed observations of distant objects. 42mm objective lenses boost light-gathering ability versus compact models for improved low-light performance without the bulk of larger objectives.

Compact Abbe-Koenig roof prisms help to maintain a slim form factor for easier handling and carrying. BAK4 prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion. Phase-corrected prism coatings improve color rendition and contrast. Extra low-dispersion glass further reduces chromatic and spherical aberration to produce accurate color rendition; and improve resolution, contrast, and clarity across the entire field of view.

CCC (Contrast and Color Corrective Coating) system: Multi-layer coating with neutral color reproduction and bright high-contrast images.

SLP (Smart Lens Protection) coating enables rain to run off and makes cleaning the lenses easier.Wide 66° apparent angle of view minimizes the appearance of distracting hand shake common when holding high-power optics, and presents an immersive observational experience. 350-foot field of view at 1000 yards

  • Magnification: 10x
  • Objective Lens Diameter: 42 mm
  • Angle of View: 6.6° (Actual)
  • Field of View: 349.4' @ 1000 yd / 116 m @ 1000 m
  • Minimum Focus Distance: 6.6' / 2 m
  • Exit Pupil Diameter: 4.2 mm
  • Eye Relief: 18.3 mm
  • Interpupillary Adjustment: 57 to 79 mm / 2.2 to 3.1"
  • Diopter Adjustment: -4 to +4
  • Focus Type: Center
  • Fogproof: Yes, Nitrogen Filled
  • Water Resistance: Waterproof
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