Firefield Emissary 8x21 Compact Binoculars
The Firefield Emissary 8x21 Compact Binoculars offer a static 8x magnification and a 21mm multi-coated lens system for a clear, wide field of view. Their compact design, IP55 water resistance and rubber armor make the Emissary binoculars a durable pair for any outdoor occasion including hunting, wildlife observation and any sporting event. The folding eyecup allows for an adjustable setting for those who wear eyeglasses. Their effortless storage, comfortable strap and lightweight design make the Emissary 8x21 Compact Binoculars the perfect portable pair.
Included in Package
- Carrying Case
- Neck Strap
- Lens Cloth
Product Downloads
Features
- BK7 prism
- 8x magnification
- Multi-coated optics
- Rubber armored
- Lightweight and compact design
- IP55 rated to protect against dust and low water pressure
EXPORT CONTROL NOTICE: This product is controlled for export and in-country transfer under the Export Administration Regulations (EAR). division contrary to U.S. law prohibited.
| Magnification | 8 |
|---|---|
| Diameter, Objective Lens | 21 mm |
| Type of Prism (type) | BK7 |
| Prism Coating, (yes/no) | No |
| Lens Coating | Multi-coated |
| Focus System, Cent/Ind/Fix | Central |
| Focusing Lens, Eye/Obj/Int | Interal |
| Diameter, Exit Pupil | 2.6 mm |
| Eye relief (in/mm) | .41/10.5 in / mm |
| Field of View, degree | 7.2 Degree |
| Field of View (ft/1,000yds) | 392 |
| Field of View (m/1,000m) | 126 |
| Close Focus Distance | 10/3 ft/m |
| Relative Brightness | 6.76 |
| Twilight Index | 13 |
| Resolution | 17 |
| Diopter System, location | eyepiece |
| Diopter Adjustment | +4 to -4 |
| Distance, Interpupillary, in/mm | 1.18-2.76/30-70 |
| Waterproof/Nitrogen-filled | No |
| Fog Proof | No |
| Waterproof Rating | IP55 - water resistant |
| Eyecup system | Fold down |
| Body Material | Aluminum |
| Operating Temperature | 0-120 F |
| Length (in/mm) | 3.43/87 in / mm |
| Width (in/mm) | 2.4/61 in / mm |
| Height (in/mm) | 1.4/36 in / mm |
| Weight, oz | 5.1 oz |