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  • Promaster Infinity EL 10x42 Binoculars
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Promaster Infinity EL 10x42 Binoculars

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Free Shipping Available on Orders of $200 or more! Find Out More

PROMASTER Infinity EL binoculars have been engineered to meet the most demanding optical standards. 

PROMASTER uses only the finest optical glass in the Infinity EL series. Coatings make all of the difference when you want a bright crisp image and PROMASTER has spared no expense here. These glasses feature PROMASTER's EXCLUSIVE TRANSBRIGHT™ 99.3% light transmission coatings for the ultimate in bright, crisp images as well as PROMASTER's EXCLUSIVE REPELLAMAX™ element repellent coatings that aid in keeping your optics free from dust and other environmental elements to ensure you get the maximum viewing enjoyment and capability from your binoculars. Every optical glass surface is fully broadband multicoated. This is not true of many far more expensive binoculars. The prisms are specially selected BAK-4 glass that has been both phase and silver coated to ensure true, sharp images. The ocular of every model has the maximum eye relief possible. This enhances the brightness and viewing ease.

In addition to PROMASTER's superior optics and technologically advanced coatings, the Infinity EL series binoculars are waterproof, fog proof, and nitrogen filled to make sure that they always perform at an extreme level in extreme conditions. 

And if that is not enough...PROMASTER offers our No Fault Lifetime Warranty!

Whether you run over them with a truck or drop them from an airplane, gather the pieces along with your original sales receipt and return everything to PROMASTER (along with a small processing fee) and we’ll replace your binoculars for you.

Infinity EL binoculars are the pinnacle of optical quality and world class workmanship.


Technical Specifications:

Power: 10X 
Objective Lens Diameter: 42mm 
Type of Prism: BAK4 Roof 
Prism Coating: Silver and phase coated 
Number of Lens: 8 elements in 6 groups 
Lens Coating: TRANSBRIGHT™ and full broadband multicoatings 
Focus System: Internal center focusing 
Exit Pupil Diameter: 4.17mm 
Eye Relief: 15mm 
Field of View: 6.3° - 330 ft. @ 1000 yds. 
Minimum Focusing Distance: 6.56’/2M 
Diopter System: Left eyepiece -±4 
Waterproof: 1.5m for 3 minutes 
Weatherproof: Nitrogen filled fog proof 
Weight: 24.9 oz.
Includes case and strap


12 Month Special Financing* Available

On purchases of $299 or more. In-store only with your Synchrony card.


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