# single-lens reflex

> English word · Adjective

## Definitions
1. Denoting or relating to a type of camera which allows the photographer to view the subject through the same lens that will be used to take a photograph, usually by incorporating a moving mirror and prism.

## Etymology
From single + lens (contrasted with a twin-lens reflex camera, TLR), and reflex (“reflection”), the principle by which the image path is diverted.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/single-lens-reflex