Sigma 28-70mm f/2.0 Full Frame Patent Found and More

By Louis Ferreira | Published: March 2, 2022

Sigma 28-70mm f/2.0 full frame

Focal length: 28.90-67.75
F value: 2.07
Angle of view: 76.73-33.8
Image height: 21.63
Overall length: 147.85-11.89

Sigma 14-30mm f/4.0 full frame

Focal length: 14.42-29.10
F value: 4.00
Angle of view: 117.62-71.79
Image height: 21.63
Overall length: 96.04-74.39

Sigma 20mm f/1.4 APS-C

Focal length: 20.00
F value: 1.46
Angle of view: 74.82
Image height: 14.20
Overall length: 94.00

Sigma 23mm f/1.4 APS-C

Focal length: 23.00
F value: 1.46
Angle of view: 65.76
Image height: 14.20
Overall length: 94.00
Back focus:

Sigma 28mm f/1.4

Focal length: 28.42
F value: 1.46
Angle of view: 79.83
Image height: 21.63
Overall length: 123.15

Sigma 33mm f/1.4

Focal length: 33.72
F value: 1.46
Angle of view: 67.78
Image height: 21.63
Overall length: 123.95

This entry was posted in 3rd Party Lens, Patents and tagged Sigma, Sigma 14-30mm f/4.0, Sigma 20mm f/1.4, Sigma 23mm f/1.4, Sigma 28-70mm f/2.0, Sigma 28mm f/1.4, Sigma 33mm f/1.4. Bookmark the permalink. Trackbacks are closed, but you can post a comment.

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