8X40 Binoculars
Item No.: BM-5109B
MOQ: 100pcs
Delivery Time: 30 days
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Product Details
|
Model |
BM-5109B |
|
Magnification |
8X |
|
Objective diameter |
40mm |
|
Prism Type |
Porro/BAK4 |
|
Focus System |
Individual |
|
Number of Lens |
6pcs/4groups |
|
Lens Coating |
FMC |
|
Angle of View |
7.85° |
|
Field of View |
137m/1000m,412ft/1000yds |
|
Exit Pupil Diameter |
4.8mm |
|
Eye Relief |
19.06mm |
|
Relative Brightness |
23.04 |
|
Twilight Index |
17.9 |
|
Interpupillary Distance |
54-73mm |
|
Resolution |
≤4” |
|
Near Focus |
5m |
|
All Weather |
Yes |
|
Shock proof and Waterproof |
Yes |
|
Nitrogen Filled |
Yes |
|
Eyecups system |
Fold down |
