BAK4 Prism Professional powerful binoculars Waterproof Nitrogen filled telescope

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SPECIFICATIONS  Model:10X42/8X42/8X32 Eyepiece Diameter:19.5mm/21mm/21mmType of Prism:Roof Bak4Prism Coating:AluminizingLens:FMCFocus System:Cent.Focusing Lens:Int.Angle:5.8°/6.3°/7.38°Ft/1,000Yds:304ft/330ft/387ftM/1,000M:101m/110m/130mM / Ft.:4.5m/14.8ft;4.5m/14.8ft;3m/10ftResolution:5.6"/5.6"/6.8"Eyecups:Twist-upExit Pupil:4.2mm/5.18mm/4mmEye Relief:16.9mm/20.4mm/16.8mmDiopter System:Right OcularDiopter COMP.:±3DInterpupillary Dist.:55~75mmTripod Adapter Interface:YesWater Proof:IPX7Nitrogen Filled:Yes SV47 high-quality binoculars, even if you choose 10x42 binoculars, it will not shake, and after using at minus 10 degrees Celsius, return to the warm interior of the...

SPECIFICATIONS

 Model:10X42/8X42/8X32

Eyepiece Diameter:19.5mm/21mm/21mm
Type of Prism:Roof Bak4
Prism Coating:Aluminizing
Lens:FMC
Focus System:Cent.
Focusing Lens:Int.
Angle:5.8°/6.3°/7.38°
Ft/1,000Yds:304ft/330ft/387ft
M/1,000M:101m/110m/130m
M / Ft.:4.5m/14.8ft;4.5m/14.8ft;3m/10ft
Resolution:5.6"/5.6"/6.8"
Eyecups:Twist-up
Exit Pupil:4.2mm/5.18mm/4mm
Eye Relief:16.9mm/20.4mm/16.8mm
Diopter System:Right Ocular
Diopter COMP.:±3D
Interpupillary Dist.:55~75mm
Tripod Adapter Interface:Yes
Water Proof:IPX7
Nitrogen Filled:Yes

SV47 high-quality binoculars, even if you choose 10x42 binoculars, it will not shake, and after using at minus 10 degrees Celsius, return to the warm interior of the car without condensation or fogging, except for this In addition, it is light and portable, suitable for hunting, bird watching, camping, viewing and other scenes

IPX7 Waterproof & Fog-proof

Injecting nitrogen into the telescope's sealed barrel can effectively prevent moisture from entering, waterproof and anti-fog, and can be used normally even in very harsh environments, greatly improving the service life.

Bak-4 Prisms that maximizes light transmission

Type bak4 glass is a fine,dense optical glass that removes glass effctively internal lighting reduces light losses,but the price is more expensive generally used in high-end optical products

Fully Multi-coated Lens

FMC is the abbreviation of Fully Multi-Coated, which means that all the light passes through the glass-air contact surface with a multi-layer coating.

The optical structure uses a 3-piece objective lens, a focusing lens, a set of high-precision roof prisms, and a 4-piece 3-group eyepiece. Usually, the objective lens of binoculars is two-piece, and the three-piece type can reduce the aberration and improve the image quality, but the cost is also higher.

how to choose the model?

1.The 8X32 size is small, light weight, stable imaging, good observation comfort, suitable for outdoor walking, traveling, watching concerts.
2.The 8X42 specification has moderate volumetric weight, stable imaging, high imaging brightness, and good observation comfort. It is suitable for use as a tool telescope, such as bird watching, stargazing, viewing, etc.
3.The volume of 10X42 is moderate, the imaging jitter is slightly larger, suitable for the people who pursuit of magnification and the stability of the arm is also good, it is suitable for bird watching, stargazing, etc.

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SV47 Binoculars Telescope
Carrying Bag
Neck Strap
Lens Cleaning Cloth
Lens Covers
User Manual



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