Binoculars Calculator

 

Enter Parameters

Objective diameter [mm]

Magnification

Field of View [°]


 

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Calculated Specifications

• Exit Pupil Diameter: 4.0 mm
• Relative Brightness: 16.0
• Luminosity: 8
• Apparent FOV: 75.0°
• Linear FOV: 52 meters
• Twilight Factor: 50.0
• Limiting Magnitude: 12.5
• Light Gathering Power: 204x
• Angular Resolution: 1.2 arc sec
• Star Transit Time: 29 sec

 

3° True Field of View

simulated with an DSS image