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Canon Patent Application: Soft focus lenses
This patent application is for a couple of soft focus lenses. Again, with most patent applications, these will never see the light of day, but it's interesting to see what Canon is investigating.
The first embodiment is for a 16-50 F2.4 Canon EF-S lens
focal length 15.00 3 0.00 60.00
F number 2.37 2.37 2.37
Half angle of view 43.23 25.17 13.22
Image height 14.10 14.10 14.10
Lens total length 382.76 382.76 382.76
BF 45.29 45.29 45.29
Another embodiment for a 35-100 2.8 Canon EF-S lens
focal length 35.00 60.01 100.01
F number 2.80 2.80 2.80
Half angle of view 23.95 14.53 8.84
Image height 15.55 15.55 15.55
Lens total length 269.06 269.06 269.06
BF 56.84 56.84 56.84
Japan Patent Application 2018-180132
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