Reviews Porro Prism

BARSKA 15-40x50 Colorado Spotting Scope , Black

  • Fully coated optics with porro prism system.
  • Come with table tripod and soft carrying case.
  • The highest clarity range is at 150 yards. Beyond 150 yards, the image will naturally start to become blurry..
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Coleman 10-30x25 Compact Zoom Binoculars Silver CZ103025

  • Compact & lightweight with continuous one-touch zoom and a magnification range of 10x to 30x.
  • Fully coated high Definition objective lenses.
  • Field of view: 3.0 Degree.6 Degree (158ft.-84ft./1000 yds.).
  • Porro prism optical design provides sharp resolution, bright and clear images.
  • Fold down/up Rubber eyecups for use by eyeglass wearers.
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Coleman 15-50x28 Compact Zoom Binoculars Silver CZ155028

  • Compact & lightweight with continuous one-touch zoom and a magnification range of 15x to 50x.
  • Fully coated high Definition objective lenses.
  • Field of view: 2.0 Degree.9 Degree (105ft.-47ft./1000 yds.).
  • Porro prism optical design provides sharp resolution, bright and clear images.
  • Fold down/up Rubber eyecups for use by eyeglass wearers.
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Celestron 72023 SkyMaster 9x63 Binoculars,Black

  • Fully Multi-Coated optics for extremely sharp, clear views.
  • Rugged full-size design for maximum image brightness.
  • Nitrogen purged for waterproof and fogproof performance.
  • Multi position twist-up eyecups for quick adjustment and optimum eye relief.
  • Suitable for terrestrial or astronomical viewing.
  • Protective rubber covering for ultra-firm grip. Carrying case included for travel and safe storage..
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HUTACT 10x50 Marine Binoculars for Adults, Navigation Binoculars with Rangefinder & Compass, Waterproof Binoculars for Voyage Boating Sailing Waterman

  • 【Marine Standard Binoculars】Binoculars with 10x magnification, 50mm objective lens, 23mm exit pupil distance, field of view is 396 Ft /1000 Yds..
  • 【Binoculars With High Quality View】:Binoculars Equipped with BAK4 Prism, Porro prism system and FMC Coated Optics, the image will be wider, brighter and clearer..
  • 【Binoculars With Illuminated Rangefinder & Compass】Rangefinder & Compass for determine the direction position and the distance and size of the observation object. ‎ Illuminated switch makes it work at night or low light environment..
  • 【Waterproof Floating Binoculars】IPX7 waterproof floating binoculars with excellent workmanship, there is no need to worry about when it dropped into water..
  • 【Binoculars with Bag & Strap】 Easy to carry and store. Ideal for sailing, travelling, concert, sports, wild animal observation and more..
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Hooway 7x50 Waterproof Fogproof Military Marine Binoculars w/Internal Rangefinder & Compass for Navigation,Boating,Fishing,Water Sports,Hunting and More

  • PERFECT FOR MARINE - Marine binoculars with 7x magnification and 50mm objective lens.
  • 22 mm eye relief,6.8mm exit pupil,and field of view is 396 feet....
  • ADAPT TO EXTREME ENVIRONMENT - Completly waterproof and float in water.Nitrogen-purged fog proofed Stable,comfortable to hold and highly durable..
  • BRIGHT AND CLEAR - Porro prism system for a wide field of view.Premium BAK4 prism and Fully multi-coated optics produce bright,crisp images..
  • COMPASS & RANGEFINDER - Illuminated Compass built-in for direction location,with an internal rangefinder for determining distance and size of objects..
  • MILITARY STANDARS - Non-slip rubber armor absorbs shock & provides a firm grip.Tripod adapter fitting for tripod mounting for increased stability..
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Vivitar Value Series VIV-VS-843 8x50 and 4x30 Binocular set

  • 8x50 porro prism binocular with coated lenses, and a 4x30 pocket binocular.
  • Exit pupil: 5.2 mm, FOV: 303' @ 1000 yd, Eye relief: 10.5 mm / 0.4".
  • Multi coated optics for clear, sharp views.
  • Includes: carrying cases, neck strap, and cleaning cloth.
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Mentch 7x50 HD Waterproof Military Marine Binoculars w/Internal Rangefinder & Compass for Water Sports,Hunting,Bird Watching,Boating and More Black

  • PERFECT FOR MARINE - Marine binoculars with 7x magnification and 50mm objective lens.
  • 22 mm eye relief,6.8mm exit pupil,and field of view is 396 feet....
  • ADAPT TO EXTREME ENVIRONMENT - Completly waterproof and float in water.Nitrogen-purged fog proofed Stable,comfortable to hold and highly durable..
  • BRIGHT AND CLEAR - Porro prism system for a wide field of view.Premium BAK4 prism and Fully multi-coated optics produce bright,crisp images..
  • COMPASS & RANGEFINDER - Illuminated Compass built-in for direction location,with an internal rangefinder for determining distance and size of objects..
  • MILITARY STANDARS - Non-slip rubber armor absorbs shock & provides a firm grip.Tripod adapter fitting for tripod mounting for increased stability..
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Carson Hornet 8x22mm Lightweight and Compact Binoculars for Bird Watching Sight Seeing Surveillance Safaris Concerts Sporting Events Hiking Camping,Travel and Hunting Adventures HT-822

  • Extremely Lightweight and Compact Porro Prism Binoculars | 8x Magnification | Objective Lens Diameter: 22mm | Weight: 3.2 ounces | Color: Olive Green.
  • Prism Type: BK-7 | Fully Multi-Coated Lenses | Field of View: 367 feet at 1, 000 yards | Eye Relief: 12mm | Close Focus: 11.5 feet.
  • Perfect compact binoculars for sight-seeing, travel, camping, hiking, sporting events, bird watching, safaris, hunting, surveillance, concerts and....
  • Included accessories: binocular pouch, wrist strap, protective Eye covers and a lens cloth.
  • Features a centered focusing knob and fold down Eye cups with an independent right diopter adjustment Eyepiece| Backed by Carson no fault, no hassle.
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