Wholesale 8X21 Binoculars HD Gifts Outdoor Straight Binoculars
- Model NO.: 8x21
- Magnification: 8X
- Structure: Refractor Telescope
- Objective Lens Diameter: 21mm
- Exit Pupil Diameter: 2.63mm
- Field of View: 131m / 1000m (Wide Angle, in 1000 Meters Away, Can
- Origin: Changchun
- Type: Binocular
- Usage: Bird Watching/Hunting, Toy, Travel
- Focusing Type: Center Focusing
- Focusing Mode: Central Focus
- Exit Pupil Distance: 10mm
- Folding Size: 6X3.5X9.2cm
- HS Code: 9001909090
Magnification: 8 X
Objective lens diameter: 21MM
Focusing mode: central focus
Exit pupil diameter: 2.63mm
Exit pupil distance: 10mm
Field of view: 131M / 1000M (wide angle, in 1000 meters away, can see 131 meters wide)
Folding size: 6X3.5X9.2cm
Net weight about: 165g
Samples for quality test are available, but we kindly ask you to pay for samples and the freight
Yutai Optics, we specialize in the design and volume manufacturing of high performance optical components such as lens,prisms,windows,filters,mirrors and more for use in optical instruments and laser systems, as well as for military, telecommunications,medical, environment monitoring industry.
Yu Tai Optics has quickly established itself as a leader in optical components from its advanced technology and quality control.
1 Package Detail: A. Standard carbon and envelop with plastic foam.
B. Safety green carton.
2 Delivery Detail: Within 30 days.(Also depand on the quantity)
One side of meniscus lens is convex, another side is concave. It can be a convergent lens or a divergent lens, which is decided together by refractive index, curvature and radius.