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Telescope Field Of View And Power Calculator

This calculator requires the use of Javascript enabled and capable browsers. This calculator is designed to give the true field of view and magnification of a telescope. Enter the data for the scope's focal length; then either select an eyepiece from our list of readily available units by brand and size or, type in an eyepiece focal length and apparent field of view. Click the Calculate button to view the results.


Designation
Value
Required Data Entry
Telescope Focal Length MM
Select Eyepiece
Eyepiece Focal Length MM
Apparent Field Of View Degrees
   


Calculated Results
Calculated Magnification X
Calculated True Field Of View Degrees
Updated 8.12.11


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