Question

Optics question...there are principal points (P, P’), principal planes (H, H’), and vertex surfaces (A, A’)...

Optics question...there are principal points (P, P’), principal planes (H, H’), and vertex surfaces (A, A’) in a lens system.
*Which one(s) of these have a numerical number, and why?*
Also, my notes are a bit confusing, are these points only in the picture when LM=1, or LM can be anything?
Thank you!
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Answer #1

AnM n», bicaine Jt і, -peat a LO.erdindinate in the agktern , mot hy a numvi co mo enly.uhun LMラǐ

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