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Oberwerk Binoculars

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We are proud to offer big binoculars from OBERWERK! Many OBERWERK binoculars look very similar to other brands, but there are important differences-

All OBERWERK binoculars feature highest-quality BAK4 prisms, which give the best performance across the entire field of view. Competitors often use less-expensive BK-7 prisms, which darkens the image near the edges of the field of view.
Quality multi-coatings of OBERWERK binoculars maximize the amount of light that passes through a lens. An uncoated lens surface passes only 95% of the light that hits it- 5% is lost due to reflection and scattering. A single-coated lens surface is more efficient, passing 98-99% of the light. A multi-coated lens surface is the most efficient, passing about 99.5% of the light. OBERWERK binoculars have many air-to-glass surfaces (between 14 and 22 for each side), so the number of uncoated, single-coated, and multi-coated surfaces can make a huge difference in overall efficiency. OBERWERK binoculars utilize the highest-quality broadband multi-coating on all air-to-glass surfaces. Most competitors multi-coat only the exterior surface of the objective lenses, single-coat the other lenses, and usually have uncoated prisms.
OBERWERK center-focus binoculars feature "slow" focusers that require more than one turn of the focus wheel to move from one end of the focus range to the other. Other brands utilize "fast" focusers that move from one end to the other in less than 1/2 turn of the focus wheel. Unlike competitor's "fast" focusers, OBERWERK "slow" focusers have a more precise adjustment, and will not drift from pressure on the oculars.
A Oberwerk binocular is basically two side-by-side telescopes. "Collimation" is the alignment of each of those telescopes to each other, so that the images from each side are correctly merged. When collimation is out of adjustment, you'll see double. There are a few things that can happen to a binocular to cause this (dropping the binocular, rough handling during shipping), but Oberwerk binoculars feature easily-accessible collimation set-screws that allow easy adjustment of image alignment.
All OBERWERK binoculars are covered by a one year warranty (from date of purchase for problems due to manufacturing defects.

OBERWERK 100mm binoculars such as Oberwerk 25/40x100mm Military Observation Binoculars and Oberwerk 45° 45x100mm Astronomy Binoculars are a truly unique value. OBERWERK binoculars are built to last for generations. There is nothing available on the market that even comes close to their level of build quality and optical performance, at anywhere near their price point.

OpticsPlanet, Inc offers a full line of original Oberwerk Binoculars with full manufacturer's warranty and Free UPS Ground shipping on orders over $29.95!