Vortex Triumph HD 10x28 Binoculars - Technical Specification

  • Magnification: 10x
  • Objective lens diameter: 28mm
  • Optical system: HD
  • Lens coating: Fully multi-coated
  • Prism type: Roof prism
  • Eye relief: 15mm
  • Angular field of view: 5.2°
  • Linear field of view: 279ft at 1,000yds
  • Close focus: 9.9ft
  • Interpupillary distance: 56–73mm
  • Height: 5"
  • Width: 4.8"
  • Weight: 12.8oz
  • Construction: True open hinge
  • Armour: Protective rubber
  • Waterproof: Yes
  • Fogproof: Yes
  • Shockproof: Yes
  • Gas purging: Nitrogen
  • Adjustable eyecups: Yes
  • Dioptre adjustment: Yes
  • Tripod adaptable: Yes