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New lens patents from Canon and Sigma

Image on top shows the 24-10mm f/4.0 design

Sigma has patented the design of fours different zoom lenses:

20-80mm f/4
24-100mm f/4.0
28-70mm f/2.8
28-100mm f/4

And Canon patented those RF zooms

30-130mm f/2.8
30-1120mm f/2.8
40-150mm f/2.8

via Hi Lows Note

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