Patent: Canon EF 50 f/1.8 IS

Last updated: May 6, 2025 4:34 am

Published: July 23, 2013

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Canon EF 50mm f/1.8 IS
A patent has show up showcasing an EF 50 f/1.8 IS lens. Could this be the replacement to the 50 f/1.4? We had heard about this lens existing last year. While some may desire a direct 1.4 replacement with IS, I think Canon may want some separation between the EF 50 f/1.2L and the next 50 in the lineup. We've also heard of a new EF 50 f/1.2L design being tested.

Patent Publication No. 2013-142782

Publication date 2013.7.22
Filing date 2012.1.11

Example 1

Focal length f = 51.51mm
Fno. 1.85
Half angle ω = 22.78 °
Image height 21.64mm
The overall length of the lens 76.78mm
BF 37.84mm
8 pieces of 7 lens configuration

Source: [EG]

TAGGED:EF 50 f/1.2L ef 50 f/1.4 EF 50 f/1.8 IS

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Craig is the founder and editorial director for Canon Rumors. He has been writing about all things Canon for more than 17 years. When he's not writing, you can find him shooting professional basketball and travelling the world looking for the next wildlife adventure. The Canon EOS R1 is his camera of choice.