Canon filed a patent for a new prime lens. The new patent includes Canon EF 50mm f/1.8 IS USM lens and could be the replacement of the current 50mm f/1.4 lens. A new image stabilized Canon 50mm lens said to be announced in 2013.
Even a new 50mm f/1.2L lens is in testing. Canon has three 50mm lenses in their line-up. They are the EF 50mm f/1.2L, EF 50mm f/1.4 and the EF 50mm f/1.8. It is possible Canon has decided to add IS to the replacement of current EF 50mm f/1.4 lens.
Patent Publication No. 2013-142782
- Publication date 2013.7.22
- Filing date 2012.1.11
- 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
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