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New patent application for a variety of high end APS-C UWA zoom lenses
CanonNews
/ Categories: Canon Patents
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New patent application for a variety of high end APS-C UWA zoom lenses

This patent application covers a variety of high end zooms for a Canon APS-C sized camera.

  • 14-35 2.8
  • 9-22 2.8
  • 10-35 2.8-3.5
  • 18-80 4.0
  • 18-75 4.0
  • 12-30 2.8

All of them seem to be quite desirable really. I'd be happy with any of them I think ;)

The details in case you're curious:

                 Wide angle Middle Looking far 
Focal distance      14.00  22.14   35.00 
F number             2.80   2.80    2.80 
Half field angle    48.00  35.09   23.96 
Image height        15.55  15.55   15.55 
length of the lens 219.00 219.00  219.00 
BF                  42.06  42.06   42.06 

 

               Wide angle Middle Looking far 
Focal distance       9.00  14.07   22.00 
F number             2.80   2.80    2.80 
Half field angle    59.94  47.86   35.26 
Image height        15.55  15.55   15.55 
length of the lens 206.30 206.30  206.30 
BF                  39.88  39.88   39.88 

               Wide angle Middle Looking far 
Focal distance      10.50  19.17   34.99 
F number             2.80   2.80    2.80 

Half field angle    55.97  39.05   23.96 
Image height        15.55  15.55   15.55 
length of the lens 228.87 228.87  228.87 
BF                  38.87  38.87   38.87 

               Wide angle Middle Looking far 
Focal distance      12.00  18.97   30.00 
F number             2.80   2.80    2.80 

Half field angle    50.96  37.96   26.26 
Image height        14.80  14.80   14.80 
length of the lens 232.70 232.70  232.70 
BF                  45.3 2 45.32   45.32 

               Wide angle Middle Looking far 
Focal distance      18.00  40.00   74.99 
F number             3.99   4.00    4.00 
Half field angle    40.82  21.24   11.71 
Image height        15.55  15.55   15.55 
length of the lens 234.71 234.71  234.71 
BF                  48.64  48.64   48.64 

               Wide angle Middle Looking far 
focal distance      12.00  19.00   30.00 
F number             2.80   2.80    2.80 
Half field angle    52.34  39.30   27.40 
Image height        15.55  15.55   15.55 
length of the lens 220.67 220.67  220.67 
BF                  45.10  45.10   45.10 

Japan Patent Application 2017-207649 

 

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