Patent: CN-E 35-260mm f/2.8 Soft Focus Lens

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Published: January 10, 2015

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Canon has published a patent for a new zoom cinema lens with a soft focus mechanism. The lens is for the Super 35 image sensor size.

Patent Publication No. 2014-235203 (Google Translated)

Published 2014.12.15
Filing date 2013.5.31

Example 3

Zoom ratio 7.50
The focal length f = 34.00-68.00-102.00-136.00-254.99mm
Fno. 2.70
Half angle ω = 24.58-12.88-8.67-6.52-3.49 °
Image height Y = 15.55mm
Overall length of the lens 441.54mm
BF 51.02mm

Canon patent

4-group zoom of positive and negative negative-positive
Spherical aberration adjustment group (soft focus)
Not shift the focus position can be switched to soft focus

Source: [EG]

TAGGED:CN-E 35-260 T/2.8 Soft Focus

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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.