ng5 ling4 geng3五稜鏡五棱镜
Jyutpingng5 ling4 geng3
Yaleńgh lìhng geng
Definition
Pentaprism; a five-sided reflecting prism used to deviate a beam of light by 90 degrees without inverting the image.
neutraltechnology
How it's used
Primarily used in technical contexts involving photography or optics, this term is rarely encountered in casual daily conversation. It refers specifically to the component that allows a photographer to see the image through the viewfinder exactly as it appears through the lens without inversion. Because it is a specialized technical noun, it is almost always used in professional or hobbyist discussions about camera equipment.
Measure word
go3個goExamples
The pentaprism in this camera is very clear.
Do you know how a pentaprism reflects light?
Related words
Common phrases
pentaprism viewfinder
Grammar color guide
Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector
Grammar guides
- Directional complementsThe small words added after a verb to show direction of movement, like up, down, out, in, and back. Common in everyday Cantonese.
- DemonstrativesThis and that with 呢 and 嗰, the personal pronouns, and how 哋 turns I, you, and he into we, you all, and they.
- Resultative complementsSticking a result word onto a verb to show how it turned out, like eat until full or look and find. A productive everyday pattern.



