F Number
nounid
60831·updated May 18, 2026verified
the ratio of the focal length to the diameter of a (camera) lens system
MWE
Classifications
Entity Type
Unknown—glossary_import_default_pending_classifier
Sensitivity
unclassified
Information Class
unclassified
Variants
- synonym
- speed
- plural
- F Numbers
- possessive
- F Number's
- pluralpossessive
- F Numbers'
Framework definitions
- §1
- the ratio of the focal length to the diameter of a (camera) lens system
Outgoing relationships
No outgoing triples
This term is not the subject of any RDF-style relationship yet.
Incoming relationships
No incoming triples
No other term currently asserts a relationship to this one.