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21x21mm Compact Hiking Binoculars Field Of View: 4.5 Degree 2.3 Degree
7x To21x Compact Zoom Binocular 21mm Objective Field of view: 4.5 Degree.2.3 Degree
About this item
Compact and lightweight for portability
Compact & lightweight with continuous one-touch zoom and a magnification range of 7x to 21x
Fully coated high Definition objective lenses
Field of view: 4.5 Degree.2.3 Degree (237ft.-123ft./1000 yds.)
Porro prism optical design provides sharp resolution, bright and clear images
Fold down/up Rubber eyecups for use by eyeglass wearers
Smooth Central Focus Knob and Eyepiece Zoom
The fast and smooth range of focus allows for quick viewing in addition to the line’s comfortable and ergonomic design. The eyepiece mounted Zoom Lever allows fast magnification changes from 7x through 21x.
Fully Coated Optics
The binoculars feature BK-7 prisms and fully coated optics for sharp and clear images.
The high power mini-zoom binocular offers versatility and convenience in an ergonomic, compact design. It allows the user to zoom from 7x to 21x magnifications, and anywhere in-between, with just the touch of a finger. Precise zooming controls with center and right-eye focusing, and the high resolution prism optical design ensures that images are crisp and clear throughout the zooming range. Ultra compact and lightweight, each binocular comes complete with carrying case, strap, rear lens caps
Specification:
| Model | BSZ5585 | |||
| Specification | 7 - 21x21mm | 8 - 30x21mm | 10 - 30x21mm | 10 - 40x21mm |
| Magnification | 7x - 21x | 8x - 30x | 10x - 30x | 10x - 40x |
| Obj.lens (mm) | 21mm | 21mm | 21mm | 21mm |
| Field Angle | 4.5°- 2.3° | 3.5°- 2.0° | 3.2°- 1.4° | 3.0°- 1.2° |
| Field of View @ 1000m | 79M - 41M | 62M - 35M | 56M - 24M | 53M - 21M |
| Field of View @ 1000yds | 237ft -123ft | 186ft -105ft | 168ft - 72ft | 159ft - 62.8ft |
| Apparent Field of View | 32°- 48° | 28°- 60° | 32°- 42° | 30°- 48° |
| Closest Distance | 4.0 M | 4.0 M | 4.0 M | 4.0 M |
| Exit pupil (mm) | 3.0 -1.0 | 2.6 - 0.7 mm | 2.1 - 0.7mm | 2.1 - 0.525 mm |
| Eye relief (mm) | 12.5 -8 mm | 11 - 8 mm | 11 - 8 mm | 11 - 6.2 mm |
| Diopter Adjustment | ±4 | ±4 | ±4 | ±4 |
| Dusk Index | 12.12 - 21 | 12.96 - 25.09 | 14.49 - 25.09 | 14.49 - 28.98 |
| Relative Brightness | 9.0-1.0 | 6.89 - 0.49 | 4.41 - 0.49 | 4.41 - 0.27 |
| Prism System | Porro | Porro | Porro | Porro |
| Prism Glass | Bk7 | Bk7 | Bk7 | Bk7 |
| Focus System | Center | Center | Center | Center |
| Lens Coating | Fully Multi | Fully Multi | Fully Multi | Fully Multi |
| Eyecups | Fold-Down | Fold-Down | Fold-Down | Fold-Down |
| colour | Najran Red / Blue Amber / Shallow champagne / Pearl white / Black | |||
| Size (mm) | 91X107X44 mm | 91X107X44 mm | 91X107X44 mm | 91X107X44 mm |
| Weight (g) | 205 g | 205 g | 205 g | 210 g |
| Q:1.Can you produce the products with our brand? | ||||
| A: We offer logo laser engraved silk-screen printing or sticker trade make on product, | ||||
| and customized package is also available. Specific details can be discussed. | ||||
| Q: 2.How how can I pay the order? | ||||
| A: Payment terms are available by Paypal, T/T or Weston Union. Specific details can be discussed. | ||||
| Q: 3. How do you control the quality? | ||||
| A: BCI - we have quality control proecess, from procurement, production, packing to shipment all | ||||
| process are under strict control and are fully traceable. |
