Simmons 8-17x25mm ProSport Zoom Weather Resistant Porro Prism Binocular with 4.1deg. to 3.0deg. Angle of View.

SKU: SMP817X25ZB MFR: 899875
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About the Simmons 8-17x25 Porro Prism

The Simmons ProSport 8-17x 25mm Zoom Binocular has a reverse Porro prism design to provide a lighter weight more compact binocular. The very practical 10 ounces coupled with the close focus of less than 10 feet create the ingredients to be able to instantly leverage that one afternoon when a red-tailed hawk lands on the tree outside your kid's bedroom window. A very comfortable 216 foot field of view scans the possibilities with its 25mm objective. Multi coated lenses deliver brighter, sharper images with higher contrast. Tactile and ridged rubber armoring add shock, bump and scratch protection for more rugged moments. This is a good binocular to always have available regardless of what the application demands.

Simmons 8-17x25 Porro Prism Features

  • Can be used with a tripod
  • AAoV of 32.9deg. at 8x and a generous 51.5deg. at 17x
  • Offers a zoom magnification of 8x to 17x and a compact 25mm objective
  • BK7 reverse Porro prisms offer enhanced brightness and sharp contrast
  • Reverse Porro prisms for a smaller more lightweight design (10 ounces) with eyepieces farther apart than the objective lenses
  • A more light weight binocular with zoom magnification and a short focus of under 10 feet to bring far away views up-close
  • Multicoated optics on at least one lens surface reduces light loss and glare due to reflection offering a brighter, higher-contrast image

Simmons 8-17x25 Porro Prism Specifications

Prism Type Porro
Prism Glass BK7
Lens Coating Multi
Magnification 8-17x
Objective Lens Diameter 25 mm
Angle of View 8x: 4.1deg.
17x: 3.0deg.
Field-of-View 8x: 216' @ 1000 yd / 71.71 m @ 1000 m
17x: 159' @ 1000 yd / 52.79 m @ 1000 m
Minimum Focus Distance 9.84' / 3 m
Exit Pupil Diameter 8x: 3.1 mm
17x: 1.5 mm
Eye Relief 8x: 12 mm
17x: 9 mm
Dioptric Correction No
Focus Type Center
Tripod Mount Yes
Waterproof/ Fogproof No
Weight 10 oz / 283.4 g
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