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Zoom binoculars 7-21x40 10-30x50 10-30x60

BCI GROUP LIMITED
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[China] country

Address: Rm8,/F.,Goldfield Ind Centre,No.1 Sui Wo Road,Fo Tan,N.T.,Hong Kong.

Contact name:Daniel Pang

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BCI GROUP LIMITED

Zoom binoculars 7-21x40 10-30x50 10-30x60

Country/Region china
City & Province hong kong hong kong
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Product Details


ModelBMZ1125
Specification7-21x40mm10-30x50mm10-30x60mm
Magnification7x - 21x10x 10x 
Obj.lens (mm)4050°60°
Eyepiece diameter(mm)151522
Field Angle5.2°- 2.9°3.5° - 1.9°3.6° at10x
Field of View @ 1000m90m - 50m62m - 33m63m at10x
Field of View @ 1000yds270ft - 150ft186ft - 99ft189ft at10x
Apparent Field of View36° - 61°35° - 57°36°  at10x
Exit pupil (mm)5.7 - 1.95.0 - 1.66.0 - 2.0
Eye relief (mm)14 - 12 mm14.5 - 12.5 mm14 - 12 mm
Diopter Adjustment±4±4±4
Dusk Index16.7 - 2922 - 38.724.5 - 42.4
Relative Brightness32.5 - 3.625 - 2.56Apr-36
Prism SystemPorroPorroPorro
Prism GlassBk7Bk7Bk7
Focus SystemCenterCenterCenter
Lens CoatingFully MultiFully MultiFully Multi
EyecupsFold-DownFold-DownFold-Down
Size (mm)141X72X158148X72X183160X76X234
Weight (g)7108001060

 

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