Calculator
Eyepiece Calculator
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Input Box
Follow the steps below to see the eyepiece table.
(1) Enter any 2 of the 3 parameters for your telescope
You must enter 2 telescope parameters to see table results. More...
... or Recall a Stored Run
(2a) Choose telescope eyepiece preferences
(2b) Limit to these eyepieces
Current: 
Discontinued: 
(3) Enter optional run name and select table presentation order
True Field: Listed from wide to narrow. Eps with same field sort higher mag first.
Magnification: Listed from low to high. Eps with same mag sort wider field first.
Design: Listed from narrow to wide field designs and zooms last.
Note: Zooms sort based on low-power specification.
(4) Calculate Results

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