retrofocus (C1)
noun
Pronunciation: /ˈrɛtrəʊfəʊkəs/
Definition
A retrofocus optical system is designed to have a focal length that is shorter than the physical length of the system, often used in wide-angle lenses to reduce distortion and improve image quality.
Examples
The new camera features a retrofocus lens with a focal length of 10mm, allowing for stunning wide-angle shots.
Retrofocus designs are commonly used in architectural photography to capture broad scenes with minimal distortion.
The retrofocus system in this telescope enables it to have a shorter overall length while maintaining a long focal length.
How to Use retrofocus
- retrofocus lens (noun phrase)
- a lens with a retrofocus design — "The camera features a retrofocus lens for wide-angle shots."
- retrofocus system (noun phrase)
- an optical system with a retrofocus design — "The telescope uses a retrofocus system to reduce distortion."
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