Vortex Triumph HD 10x28 Binoculars are a compact travel model featuring 10× magnification and 28 mm objective lenses, designed for hiking, wildlife observation and general outdoor use. The BaK4 roof prism system combined with multi-coated lenses delivers bright, sharp and high-contrast images while maintaining lightweight and compact dimensions. The housing is nitrogen-filled and sealed to prevent internal fogging and protect against moisture and dust.

Key features

• 10× magnification with 28 mm objective lenses
• BaK4 roof prisms
• multi-coated lenses for enhanced light transmission
• nitrogen-filled construction preventing internal fogging
• sealed housing resistant to moisture and dust
• adjustable eyecups suitable for use with glasses
• ±3 diopter adjustment
• tripod adaptable
• rubber-armored, non-slip exterior

Included in the set

• Vortex Triumph HD 10x28 binoculars
• neck strap
• carrying case
• lens covers
• lens cleaning cloth
• manufacturer’s manual

Technical specifications

• SKU: TRI-1028
• manufacturer: Vortex Optics, USA
• magnification: 10×
• objective diameter: 28 mm
• prism system: roof (BaK4)
• linear field of view at 1000 m: 93 m
• angular field of view: 5.2°
• exit pupil: 2.8 mm
• eye relief: 15 mm
• minimum focus distance: 3 m
• interpupillary distance: 56–73 mm
• relative brightness: 7.84
• twilight factor: 16.73
• diopter adjustment: ±3
• gas filling: nitrogen
• resistance: fogproof, shockproof, moisture and rain resistant
• tripod adaptable: yes
• width: 121.9 mm
• height: 127 mm
• weight: 363 g
• application: hiking, wildlife observation, outdoor use