我的帳戶
- 登錄
  
  Edmund Optics^®的新訪客? 立即註冊.
0
Cart

✕

Product added to cart

Knowledge Center/ Glossary/ Working f/#

Working f/#

The effective f/# of a lens, taking into consideration the magnification at finite working distances. Calculated by (1+lml)*Infinite f/#, where m is lens magnification.

這項內容對您是否實用？

感謝您對此項內容評分！

Sales & Expert Advice

or view regional numbers

Easy-to-Use
QUOTE TOOL
enter stock numbers to begin