Focus Bristol 10x42 is a versatile nature binoculars in a roof-prism construction with a diameter of 42 mm, light weight, compact dimensions, good anti-reflective coatings and adjustable eyecups.
Comes with a case and neck strap. • 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 prisms
• eyecups: twist-up type
• exit pupil offset: 12.3 mm
• eye distance adjustment: 55-75 mm
• diopter adjustment range: +/- 3 D
• tripod exit adapter: yes
• water tightness: no
• dimensions: 135 x 150 x 56 mm
• weight: 512 g 24 months
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