Along with CN-E 18-85mm f/2.8 & CN-E 15.5-47mm f/2.8 Cine lenses filed by Canon several days ago, Canon has filed two new zoom cine lenses today: CN-E 20-100mm f/2.8, CN-E 20-130mm f/2.8-3.5.
Patent Publication No. 2015-18083
Published 2015.1.29
Filing date 2013.7.10
Example 1
Zoom ratio 6.00
Focal length 21.00 87.93 125.94
F number 2.77 2.77 3.66
Half angle of 35.54 9.68 6.79
Image height 15.00
Overall length of the lens 314.76
BF 50.03
Example 2
Zoom ratio 5.00
Focal length 20.00 69.46 100.00
F number 2.76 2.77 2.77
Half angle of 36.50 12.03 8.42
Image height 14.80
Overall length of the lens 294.44
BF 50.07
Patent Canon
Positive and negative positive and negative positive five-group zoom
Inner focus (part of the first group)
Inner zoom
via: EG
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