A recently published patent from Sigma (P2026082399) reveals that the company is actively developing new super-telephoto zoom options, pointing toward some exciting future glass for E-mount shooters. Published on May 19, 2026, the application outlines the optical formulas for multiple lenses, most notably a 125-700mm F6.3-9 and a 150-600mm F5-6.3.
The documentation highlights Sigma’s focus on creating optical designs that can differentiate dedicated mirrorless cameras from increasingly capable mobile devices, specifically by targeting the extreme telephoto ranges that smartphones simply cannot replicate.
Sigma’s primary engineering objectives for these new lens formulas include:
Achieving a compact and lightweight physical footprint.
Suppressing both axial and magnification chromatic aberrations throughout the zoom range.
Enabling high-speed autofocus capabilities.
Maintaining excellent optical performance from infinity focus down to close-up distances.
Here is the core information pulled directly from the patent filing:
Publication Number: P2026082399
Publication Date: May 19, 2026
Filing Date: November 7, 2024
Applicant: Sigma Corporation
In addition to the 125-700mm and 150-600mm designs, the patent also includes embodiments for a 100-400mm F5-6.3. This suggests Sigma may be exploring updates to its entire telephoto zoom lineup to optimize them for modern, high-resolution mirrorless sensors.
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via j-platpat