Delta Discovery 10-22X50 Binoculars

Delta Optical Discovery 10-22x50 Binoculars (zoom)

The Delta Optical Discovery series of binoculars includes models with a durable construction based on a solid aluminum and rubber-coated body.

The lenses used in Discovery binoculars are coated with effective multi-layer anti-reflection MC coatings.

Wide eyecups and large diameter eyepiece lenses make every observation a pleasure.

The Discovery 10-22x50 binoculars are the so-called zoom, enabling smooth magnification adjustment from 10x to 22x.

This is a very universal model.

The maximum magnification of 22x allows you to observe objects at very close range and in great detail.

• Magnification: 10-22x

• Objective lens diameter: 50 mm

• Objective lens material: glass

• Anti-reflection lens coatings: MC

• Twilight efficiency: 22.4-33.2

• Relative brightness: 5.3-25.0

• Exit pupil diameter: 2.3-5.0 mm

• Eye relief: at 10x magnification: 19 mm

• Angular field of view: at 10x magnification: 3.8 °

• Linear field of view at 1000 m: at 10x magnification: 66 m

• Focus adjustment: external central

• Minimum focusing distance: at 10x magnification: 10x: 8 m

• Interpupillary distance adjustment: 56-72 mm

• Diopter correction: -4/+8

• Prism type: Porro

• Prism material: BK7 glass

• Waterproof: no

• Nitrogen filling: no

• Tripod mount: ¼" adapter

• Weight: 868 g

• Weight with packaging: 1135 g

• Dimensions: 178 x 195 x 65 mm

The set includes binoculars, lens cleaning cloth, a strap for the binocular case, a binocular strap, a binocular case, objective lens caps, and eyepiece caps.