Leave a message
Custom and volume optical manufacturing with the expertise to guide you:
Knowledge Center/ Glossary/ Focal Length Extender
A negative group of lenses that effectively changes the focal length (and therefore the field of view) of the lens being used, at a loss of brightness and image quality.
or view regional numbers
QUOTE TOOL
enter stock numbers to begin
Copyright 2023, Edmund Optics Inc., 14F., No.83, Sec. 4, Wenxin Road, Beitun District , Taichung City 406, Taiwan (R.O.C.)
California Consumer Privacy Act (CCPA): Do Not Sell My Information