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

Focal Length: 		mm
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).
Telescopes 101
Amateur Homepage
Astronomical Societies
Star Parties