Focus Bristol 10x42 are versatile nature binoculars with a 42 mm diameter roof prism design, low weight, compact dimensions, good anti-reflective coatings and adjustable eyecups.

Comes with a case and neck strap.

Technical parameters

• magnification: 10x
• Lens diameter: 42 mm
• Exit pupil diameter: 4.2 mm
• minimum observation distance: 3 m
• angular field of view: 5.1°
• linear field of view: 89 m / 1000 m
• prisms: BK7, roof
• eyecups: twist-up type
• exit pupil distance: 12.3 mm
• eye spacing adjustment: 55-75 mm
• diopter adjustment range: +/- 3 D
• tripod output adapter: yes
• waterproof: no
• dimensions: 135 x 150 x 56 mm
• weight: 512 g

Guarantee

24 months