Now Streaming: Catch the Raman Spectroscopy Summit On-Demand
Search
Menu
Lambda Research Optics, Inc. - Mission
Photonics Dictionary

exposure meter

An instrument used to measure the light from a scene to be photographed and to indicate the camera lens and shutter settings required to expose the film correctly. The exposure time required in a photographic camera depends on the sensitivity of the film, the brightness of the object and the f-number of the lens. The only uncontrolled quantity here is the object brightness, and a number of forms of exposure meter have been devised to determine this. The object brightness is measured by a photocell directed toward the scene, which may be arranged to determine either the average brightness or the brightness of a small area in the scene.

Explore Our Content
News
Features
Latest Products
Webinars
White Papers
All Things Photonics Podcast
Videos
Our Summits & Conferences
Industry Events
Bookstore
Join Our Community
Subscribe
Advertise
Become a member
Sign in
Contribute a Feature
Suggest a Webinar
Submit a Press Release
Mobile Apps

About Us
Our Company
Our Publications
Contact Us
Career Opportunities
Teddi C. Laurin Scholarship

Terms & Conditions
Privacy Policy
California Consumer Privacy Act (CCPA)



©2024 Photonics Media
100 West St.
Pittsfield, MA, 01201 USA
[email protected]
We use cookies to improve user experience and analyze our website traffic as stated in our Privacy Policy. By using this website, you agree to the use of cookies unless you have disabled them.