{
  "id": 15652613,
  "title": "Canon’s RF 28-70mm f/2L is a popular lens – but is a longer f/2 zoom in the works? Patent hints at brighter, smaller zooms",
  "url": "https://urgent.news/2026/10/19/canons-rf-28-70mm-f-2l-is-a-popular-lens-but-is-a-longer-f-2-zoom-in",
  "topic": "culture",
  "section": "Culture",
  "published": "2026-10-19T19:47:08.000Z",
  "source": {
    "name": "Digital Camera World",
    "slug": "digital-camera-world",
    "url": "https://www.digitalcameraworld.com/cameras/lenses/canons-rf-28-70mm-f-2l-is-a-popular-lens-but-is-a-longer-f-2-zoom-in-the-works-patent-hints-at-brighter-smaller-zooms"
  },
  "original_language": "en",
  "account": "Canon’s RF 28-70mm f/2 L USM lens has gained popularity due to its bright aperture, but a recent Japanese patent suggests that the company may be developing a longer f/2 zoom lens. This patent, published on October 16, proposes a design incorporating three or more focusing groups to create compact, high-performance zoom lenses. The patent includes a potential 70-200mm f/2 lens, alongside other zoom lens options such as the 50-85mm f/1.4. The challenge in manufacturing a bright zoom lens of this size lies in balancing the aperture with weight and size. The patent indicates that using multiple focus groups could potentially achieve this goal, avoiding a significant increase in overall lens weight. While patents do not guarantee a product's eventual release, this design has piqued interest among photographers, given the popularity of Canon’s 28-70mm f/2L USM lens.",
  "summary": "A new patent published in Japan details using more autofocus groups in order to create zooms with brighter apertures and smaller designs",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}