Lijing International Optical Equipment Factory
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New Type Optical Bak4 Prism 6x21 Shockproof Children's Toy Binoculars
Parameter:
| Item | 6x21 Binoculars | 8X21 Binoculars | 10x22 Binoculars |
| Magnification | 6x | 8x | 10x |
| Objective DIA. | 21mm | 21mm | 22mm |
| Exit Pupil DIA. | 3.5mm | 2.6mm | 2.2mm |
| Relative Brightness | 12.25 | 6.9 | 6.9 |
| Field Angle | 8.2° | 7.3° | 6.5° |
| Field of View | 158m/1000m | 128m/1000m | 107m/1000m |
| Prism | Roof Bak4 | Roof Bak4 | Roof Bak4 |
| Coating Condition | All lens Fully-Coated | All lens Fully-Coated | All lens Fully-Coated |
| Eye Relief | 12.5mm | 10.5mm | 10.0mm |
| Surface Treatment | ABS+PVC rubber/ | ABS+PVC rubber/ | ABS+PVC rubber/ |
| Surface Treatment | ABS+Food-grade PVC rubber | ABS+Food-grade PVC rubber | ABS+Food-grade PVC rubber |
| Weight | 250g | 250g | 250g |
| Size | 10.4x11.5x3.4cm | 10.4x11.5x3.4cm | 10.4x11.5x3.4cm |
Features:
1. FMC (fully multi coated) glass lens & BAK4 Prism for clear and sharp vision.
2. Food Grade Safety & Shockproof with Full eco-friendly material.
3. Ergonomic Design with soft Neck Strap for outdoor portable using.
4. Rubber surrounded eyepiece and Optical glass protect kids eyes and face from harming.
5. Lightweight compact and durable for easy use.
6. Certificate of CPSC, and outlook Patent to guarantee genuine quality.
