field stop: meaning, definition, pronunciation and examples
Low frequency / TechnicalFormal / Technical / Academic
Quick answer
What does “field stop” mean?
In optics, a physical aperture in a telescope or camera that limits the field of view.
Audio
Pronunciation
Definition
Meaning and Definition
In optics, a physical aperture in a telescope or camera that limits the field of view.
A boundary or limiting element in a system that defines an observable or functional area. Can be used metaphorically for any defined limit or constraint.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. Spelling is consistent (field stop).
Connotations
Technical and precise in both varieties.
Frequency
Equally rare and specialized in both UK and US English, confined to technical contexts.
Grammar
How to Use “field stop” in a Sentence
The [optical component] acts as a field stop.The field stop [defines/limits] the field of view.Vocabulary
Collocations
Examples
Examples of “field stop” in a Sentence
verb
British English
- Not applicable.
American English
- Not applicable.
adverb
British English
- Not applicable.
American English
- Not applicable.
adjective
British English
- Not applicable.
American English
- Not applicable.
Usage
Meaning in Context
Business
Not used.
Academic
Used in physics, astronomy, and optical engineering papers to describe the component that defines the observable area.
Everyday
Not used in everyday conversation.
Technical
Core term in optical system design, specifying the physical component that crops the image.
Vocabulary
Synonyms of “field stop”
Vocabulary
Antonyms of “field stop”
Watch out
Common Mistakes When Using “field stop”
- Using it as a verb phrase (e.g., 'to field stop the image'). It is exclusively a noun compound.
- Confusing it with 'field of view' (which is the result, not the component).
FAQ
Frequently Asked Questions
It is a two-word compound noun, often hyphenated (field-stop) in technical writing when used as a modifier (e.g., field-stop diameter).
It is extremely rare. A metaphorical use might be understood in a very technical discussion about limits, but it is not standard.
An aperture stop limits the brightness and controls aberrations by limiting the diameter of light bundles. A field stop limits the angular size of the image (the field of view).
Only if you are studying or working in optics, astronomy, or precise imaging systems. It is not part of general English vocabulary.
In optics, a physical aperture in a telescope or camera that limits the field of view.
Field stop is usually formal / technical / academic in register.
Field stop: in British English it is pronounced /ˈfiːld stɒp/, and in American English it is pronounced /ˈfild stɑp/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None”
Learning
Memory Aids
Mnemonic
Imagine a football FIELD. The STOP is the white line at the edge – you can't play beyond it. A field stop is the 'edge line' for what a telescope can see.
Conceptual Metaphor
A BOUNDARY IS A STOP SIGN (marks the limit of an area).
Practice
Quiz
What is the primary function of a field stop?