Global optics leader Canon has filed a massive batch of patents for next-generation lenses that will further solidify its mirrorless RF mount ecosystem. The newly uncovered patent list includes everything from high-precision zoom lenses and super-telephotos to prime lenses for crop-sensor bodies. Crucially, it also features innovative structural designs aimed at resolving long-standing user grievances, generating significant anticipation among photographers.
1. Highly Versatile f/4 Constant Aperture Standard & Wide-Angle Zooms (Patent P2026-088009 et al.)
Canon plans to heavily reinforce its highly practical f/4 constant aperture zoom lens lineup. According to the published optical formulas, the ▲RF 16-35mm f/4 IS, ▲RF 20-50mm f/4 IS, and ▲RF 20-60mm f/4 IS are currently in development. All models come equipped with Image Stabilization (IS). In particular, the new standard zoom focal lengths starting at 20mm and extending to 50mm and 60mm are expected to offer an ideal balance of compact size and everyday utility.
2. Goodbye to "Lens Creep": Non-Extending Barrel Next-Gen Macro Lenses (Patent P2026-090068)
Traditional macro lenses suffer from a chronic structural issue where the lens barrel extends significantly forward when focusing at close distances. To fix this, Canon has introduced a revolutionary next-generation macro blueprint utilizing an inner-focusing or non-extending barrel system. This innovative structure will be applied first to the ▲RF 24mm f/1.8 Macro and ▲RF 35mm f/1.8 Macro lenses. This advancement is expected to completely eliminate the hassle of the lens barrel hitting the subject or casting unwanted shadows during close-up photography.
3. Premium Ultra-Fast VCM Cine Primes & Large-Aperture Zooms
The patents also highlight top-tier L-series lenses tailored specifically for videographers. Blueprints were spotted for ultra-wide, high-end primes equipped with ultra-fast Voice Coil Motors (VCM): the ▲RF 14mm f/1.4L VCM and ▲RF 18mm f/1.4L VCM. Additionally, extreme large-aperture zoom lenses boasting a staggering f/1.2 aperture—the ▲RF 28-45mm f/1.2L and ▲RF 35-70mm f/1.4L—were uncovered, promising unprecedented background blur and optical performance.
4. A Dense Grid: From Budget Primes to Super-Telephoto Lineups (Patent JPO 2026-059152 et al.)
Patent filings for affordable, high-value prime lenses like the ▲RF 55mm f/1.8 STM and ▲RF 85mm f/1.8 STM signal an upcoming generational shift for standard and telephoto primes. In the super-telephoto realm, Canon is preparing a lightweight yet high-performance lineup capable of fitting into a standard backpack, including the ▲130mm f/1.8, ▲300mm f/2.8, and ▲500mm f/5.6. Furthermore, four ultra-compact pancake-style prime lenses (10mm, 12mm, 18mm, and 28mm f/2.8) have made the list to cater to crop-sensor (APS-C) users.
▣ Editor's Note
"The most welcome surprise in this massive wave of Canon patents is undoubtedly the design for the non-extending 24mm and 35mm macro lenses. It brilliantly showcases Canon’s commitment to overcoming physical limitations that have frustrated macro photographers for decades. From technology-demonstrating flagship zooms with an f/1.2 aperture to compact primes for crop-sensor shooters, Canon's aggressive lens roadmap makes it clear that they have no intention of surrendering the full-frame mirrorless crown anytime soon."
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