计算厚透镜参数的工具——Focal Length Calculator——焦距计算器

Focal Length Calculator——焦距计算器

ΦOS Power of Surface 1

ΦIS Power of Surface 2

F Lens Power

nOS Object Space Index

nL Lens Index

nIS Image Space Index

R1 Radius of Surface 1

R2 Radius of Surface 2

CT Center Thickness

P Primary Principle Point

P" Secondary Principle Point

EFL Effective Focal Length

BFL Back Focal Length

FFL Front Focal Length

NPS Nodal Point Shift

fF Front Focal Point

fR Rear Focal Point

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