Western Washington University   College of Sciences and Technology   Physics/Astronomy Dept.   Bellingham, WA USA
Telescope Eyepiece Calculator
Scope Diameter (inches)     Focal Ratio

Focal Length:
Apparent Field Of View: °
Magnification: x
True Field Of View:  °
Exit Pupil: mm
  click to add the selected eyepiece to a printable list (limited to 10 selections).

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