eyepiece field stop and aFOV

Asked by ernest watts

I need to find out what the aFOV for my celestron 20mm erecting eyepiece, celestron 15mm, elestron 9mm, and elestron 4mm eyepieces also the field stop so I can setup my telescope in stellarium.

Question information

English Edit question
Stellarium Edit question
No assignee Edit question
Last query:
Last reply:
Revision history for this message
Alexander Wolf (alexwolf) said :

Are you tried use official specification from manufacturer? For example: https://www.celestron.com/products/omni-15-mm-eyepiece

Hint 1: aFOV = Apparent Field of View

Hint 2: Do not fill "stop field" if this data do not used in specification

Can you help with this problem?

Provide an answer of your own, or ask ernest watts for more information if necessary.

To post a message you must log in.