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Fujinon 7x50 MTR-SX Poseidon Binocular

The Fujinon 7x50 MTR-SX Poseidon Binocular is a military-specification binocular that transmits 95% of the light reaching it. It has Fujinon's EBC multicoatings on every optical surface, and its eyepieces accept optional polarizer, nebula, haze, and ND (neutral density) filters. This 100% fogproof and waterproof binocular is able to withstand drastic temperature and humidity changes, and has abundant eye relief for use with sunglasses in bright conditions. It is one of the brightest and highest-resolution 7x50 boating binoculars available.

  • A Fujinon military-specified 7x50 porro prism binocular with a 7.5° field
  • Nitrogen-purged waterproof & fogproof lenses
  • Up to 13 Fujinon EBC multicoatings upon all optical surfaces
  • 56-74mm Interpupillary adjustment range
  • Thick, protective rubber armor upon an all-metal housing
  • Accepts optional eyepiece filters
  • Excellent for both boating and astronomy applications
  • Peel-down style rubber eyecups
  • Long 12mm eye relief
Objective Lens Diameter
50 mm
Angle of View
7.5° (Actual)
Field of View
-1' @ 1000 yd / -0.33 m @ 1000 m
Exit Pupil Diameter
7.1 mm
Eye Relief
12 mm
Interpupillary Adjustment
8.7 to 11.5 mm / 0.3 to .5"
Focus Type
18.7 x 21.8 cm

* Specifications subject to change by the manufacturer without notice

  • Fujinon 7x50 MTR-SX Poseidon Binocular
  • Strap
  • Tethered Objective Lenscaps
  • Eyepiece Rainguard
  • Cleaning Cloth

Manufacturer Warranty


This product comes with a

36 month Australian warranty

from Fujifilm Australia

Want to read more about warranties?

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* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.