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Sigma patented a new 70-200mm f/4.0 Full Frame L-mount lens

Hi-Lows-Note spotted a new Sigma patent describing the design of a new 70-200mm f/4.0 lens for Full Frame mirrorless systems.

Specs:
Zoom ratio: 2.68

Focal length: 72.50 118.13 193.95 mm
F number: 4.00 3.99 4.00
Angle of view: 33.22 20.36 12.38
Image height: 21.63 21.63 21.63 mm
Lens length: 200.60 200.60 200.60 mm

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