Canon Patent: 15mm F4.5 And 10mm F3.5 For APS-C Mirrorless

Canon Patent

And here is one more Canon patent. Canon patent application 2024006604 (Japan, published 01/17/2024) discusses optical formulas for two wide prime lenses for mirrorless cameras with an APS-C imaging sensor.

  • 15mm F4.5
  • 10mm F3.5

From the patent literature:

  • An object of the present invention is to provide an optical system that can reduce the occurrence of ghosts while having high optical performance.
  • BACKGROUND ART: Wide-angle lenses are widely used for landscape photography, astronomical photography, and the like. Wide-angle lenses are required to have a wide angle of view and high optical performance.
  • Patent Document 1 discloses an optical system that has a wide angle of view and improved optical performance by employing a plurality of negative lenses on the object side to gently bend off-axis rays. ing.

Example 1

  • Focal length: 15.45
  • F value: 4.60
  • Half angle of view: 49.36
  • Image height: 18.00
  • Total length: 115.26
  • Back focus: 13.50

Example 2

  • Focal length: 9.97
  • F value: 3.50
  • Half angle of view: 49.63
  • Image height: 11.72
  • Total length: 72.73
  • Back focus: 10.06

Example 3

  • Focal length: 16.00
  • F value: 4.60
  • Half angle of view: 48.58
  • Image height: 18.14
  • Total length: 99.94
  • Back focus: 13.04

All featured Canon patents are listed here.

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Announced: Laowa 10mm f/4 Cookie – Pancake Lens For APS-C MILCs

Laowa 10mm F/4 Cookie

Venus Optics announced a new lens, the Laowa 10mm f/4 Cookie, a pancake lens for mirrorless cameras with APS-C imaging sensors. RF mount version available.

The sells at $299, and is available at the Venus Optics shop, and soon at major resellers like B&H Photo.

At a glance:

  • Extremely Compact and Lightweight
  • World’s Widest Rectilinear Pancakefor APS-C
  • Super-low Distortion
  • High Optical Performance
  • Stunning 10-Point Sunstar
  • Close Minimum Focusing Distance
  • Built-in Filter Thread

Press release:

Anhui China, Jul 19, 2022 –Venus Optics announces the launch of the new Laowa10mm f/4 Cookie Lens for APS-C mirrorless cameras. It is one of the world’s widest rectilinear pancake lenses for APS-C cameras. At a cookie size of 25mm(0.98”)long and weighing only 130g(0.29lbs), it literally can be put in your pocket. Most of the wide-angle pancake lenses on the market are either fisheye or pinhole. They usually have obvious barrel distortion and inferior image quality. However, this new Laowa Cookie Lens is equipped with a high-performance optical design, featuring super-low distortion and optimized image quality to ensure users take full advantage of the mirrorless system –compact and capable. Laowa 10mm f/4 Cookie is a fun and mighty option for day-to-day content creators to carry around without burden, ideal for street, urban, landscape photography and everyday snapshots. The Lens has black and silver versions for multiple mounts including Canon RF, Nikon Z, Sony E, L mount and Fuji X to match with the camera body.

Extremely Compact and Lightweight

Laowa 10mm f/4 Cookie is a pancake-style lens specifically designed for APS-C mirrorless cameras. At just 25mm deep and weighing only 130g, you can use it with gimbals and shoot handheld easily. It’s almost like a body cap with function. With such discreet design and excellent portability, you will carry it anywhere and eventually shoot more.

World’s Widest Rectilinear Pancake

Featuring a remarkable 109.3° angle of view, Laowa 10mm f/4 Cookieis by farthe world’s widest rectilinear pancake lens for APS-C on the market. With the advantages of theultra-wide perspective and pocket-sized weight,this lens brings you a burdenless experience to capture epicmoments in everyday lifeand explore the beauty in our surroundings.

Laowa 10mm f/4 Cookie

Super-low Distortion

Most pancake lenses with a wide perspective are fisheye so heavy Barrel distortion would be expected. However, the Laowa Cookie is here to break the norm. The lens has excellent control of optical distortion. The horizontal and vertical straight lines are retained from corner to corner. As an ultra-wide-angle lens, this is essential not only to reduce the post-editing time but also to expand the possibility of genres you can do with this lens, from street and outdoor photography to shape-edged architectures and spectacular landscapes

High Optical Performance

Laowa10mm f/4 Cookie lens comes with 12 elements in 8 groups optical structure with 2 aspherical and 4 extra-low dispersion elements. Despite the light and compact design, the lens managed to deliver the impressive image quality and high contrast. The performance of chromatic aberration, flaring, and ghosting effects are optimized to support your day and night snapshots.

Stunning 10-point Sunstar

Built with 5 aperture blades, stunning10-pointSunstar can be achieved easily when stop down.

Close Minimum Focusing Distance

The minimum focusing distance of Laowa 10mm f/4 Cookie is 10cm, allowing you to get super close to the subjects and create interesting wide-angle macro-like shots with nice separation between the object and background.

Built-in Filter Thread

Equipped witha37mm filter thread for you to use screw-in filters directly. It is very convenient and cost-saving as no additional filter holderis required.

Pricing & Availability

Laowa 10mm f/4 Cookie is currently available to purchase via Venus Optics official website and authorized resellers.The US price for Laowa 10mm f/4 Cookie is USD299 for all mounts. Pricing varies in different countries.

Canon Patent For 10mm f/2.8 Lens For Full Frame Sensor (EOS R?)

Canon Patent

Hi Lows Note spotted a Canon patent application (2019-040219) for a 10mm f/2.8 lens for full frame cameras. I’m not the expert but given the back focus distance I think it is for a mirrorless system, hence for the Canon EOS R.

  • Focal length: 10.30 mm
  • F number: 2.88
  • Half angle of view: 64.54
  • Image height: 21.64 mm
  • Lens length: 124.58 mm
  • Back focus: 38.00 mm
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More Canon patent applications are listed here. Some particularly interesting patent applications we think might get into production in the next few years are these:


Samyang XP 10mm f/3.5 Announced, World’s Widest and Distortion Free

Samyang Xp 10mm

Samyang officially announced the XP 10mm f/3.5. According to Samyang (aka Rokinon) the XP 10mm f/3.5 is the world’s widest prime lens, and it’s distortion free. The Samyang XP 10mm f/3.5 will sell for €1,099 (expect similar price in US$) and starts shipping in Spring.

Press release:

Samyang Optics Launches the ‘WORLD’S WIDEST PRIME LENS-‘DISTORTION-FREE’- XP 10mm F3.5

February 25th, 2019, Seoul, South Korea – Global optics brand, Samyang Optics ( is pleased to unveil the ‘WORLD’S WIDEST PRIME LENS- DISTORTION-FREE’ (except fish-eye lens) – XP 10mm F3.5 fCanon full-frame DSLR cameras (XP 10mm F3.5 fNikon F will be launched within a few months as well.). 

XP 10mm F3.5 lens from Samyang encapsulates the brand’s universally respected optical technology, especially in the wide angle lens category. XP 10mm F3.5 provides ultimate ultra-wide-angle coverage up to 130° angle of view with crystal image quality.

A Single lens captures it all – Distortion Free 

As the demof premium lenses fhigh-end cameras increases, XP 10mm F3.5 elevates the quality of images provides a burst of creativity fthe users with its high resolution of more than 50 megapixels distortion free that you can create an outstanding landscape architecture shots. 
This lens features a total of 18 lenses in 11 groups. 7 special optic lenses fmaximizing the image quality from corner to centre in vivid colours. The use of 3 aspherical lenses, 1 high-refractive lens, 3 extra-low dispersion lenses fminimizing distortion extremely various aberrations. Flare ghost effects are also well-controlled by ultra-multi-coating technology from Samyang.Now you can capture a wide landscape with 130° angle of view architecture indoas well in high resolution with distortion-free.
The XP 10mm F3.5 is expected to be the perfect lens fa broader range of photographer cinematographer who wishes to create professional photos videos in exceptional high resolution solid body quality made with metal.

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