Binoculars

The resulting Bosma Binocular with ED lenses bring extremely bright,razor sharp image with fidelity color.  

 

Type:	Binoculars
Supply Type:	OEM
Brand Name:	BOSMA or OEM
Certification:	ISO9001:2008
Material:	Magnesium Chassis
Feature:	High quality ED glass, Magnesium Chassis, Phase Correction BAK4, FMC
Supply Ability:	100000 pieces/year

Specification:

Model Number:	303317	303318
Magnification:	8	10
Diameter:	42	42
Prism System:	Roof	Roof
Prism Glass:	Bak4	Bak4
Focus System:	Center	Center
F.O.V
FT/1000YDS:	426	340
M/100M:	136	110
Angle(°):	8.1	6.5
Exit Pupil(mm):	5.2	4.2
Exit Relief(mm):	17.2	15
Near Focus(m):	2	2
Eye Cup:	Twist up	Twist up
Water/Fog Proof:	Yes	Yes
Adapt to Tripod:	Yes	Yes

Advantages:

Bosma ED series binoculars are acclaimed for its brilliant performance. Adopting the Extra-low Dispersion glass the binoculars deliver a splendid image without false-color, aberration and field curvature.

Bak4 prism guarantees high reflectivity. Coated with Silver coating increases the reflectivity further up to 100%. Phase correction coating on the prism improves the reducing color perfect and gives you amazing image enjoyment.

Tapping the advantages of ED gass, Bak4 Prism, Silver Coating and Phase Correction Coating on the prisms, the benefit is more than just a simple addition of each performance-gain, but a multiply of all these advantages, with the addition of super wideband coating, Acuity produce a crisp, bright, spacious view with high color fidelity. More worthy of praise is that the Water-repellent coating will ensure you a clear view even though in rainy day. The chassis is compactly built with solid yet light weight Magnesium alloy, safely protected with slip-proof rubber armor for last handling. The smooth focusing wheel is supplemented with a centre dioptre ring considerately designed with a protuberance for easy adjustment. The minimum focus distance of 2m makes it a great companion for close observation of small life.

Application: Bosma 303317, 303318 are applied in Birding, Hunting, Landscape, Outdoor and Long Eye-relief.

 

 

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