Here are some newly spotted wide-angle Sigma zoom lens patents that are f/1.8. The Sigma 15-24mm f/1.8, 16-28mm f/1.8, and 18-30mm f/1.8 could all be useful zooms, but they will likely be very expensive given their fast apeture.
･IP Force
- Applicant: Sigma Co., Ltd.
Publication number: P2022126058
Application number: P 2021023909
Publication date: 2022-08-30Title
of invention: Zoom lens
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