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20x80-astronomy-telescope-binoculars

20×80 astronomy binoculars

Magnification: 20X

Model: K-B2080A

MOQ: 100pcs

Volume: 3.130CBM/100pcs

Objective lens diamter: 80mm

Product details

20x80-astronomy-telescope-binoculars

 

Focus system Individual
Magnification 20x
OBJ.LENS DIA. Φ80mm
TYPE OF PRISM Porro/BAK4
Number of Elements & Group 7 elements/        5 groups
Coating FMC
Field of View\ Angle 3.25°
 M / 1000 M 57M
  FT / 1000 Yds 170FT
Exit-pupil Diameter Φ4MM
Eye Relief 16.5MM
Relative  brightness 16
Twilight Index 178.8
  Interpupillary Distance 54MM~73MM
Near Focus 25M
all-weather yes
Waterproof 1.5m / 30min
Nitrogen Filled yes
Eyecups System Fold Down
Aluminumfoil yes
Cleaning Cloth yes
Strap yes
Silica Gel No
Qty per Carton 2pcs

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