The patent application (2024-140521) for the Canon RF 28mm f/2.8 IS STM has shown up in Japan. This is a little curious as we get to see the design criteria that Canon used, and how the theoretical lens should perform. Here is the optical formula in the patent application compared to the actual lens. As [...] Source...
read more...
Published By: Canonrumors - Today
- 12 hours
- Canon Patent Application: Organic Electronic Shutter Canonrumors (Today) - In this patent application (2024-141604), Canon is looking at developing an electrochromic filter that uses organic elements. The primary goal of this patent application is to reduce the power requirement for using the filter. By the looks of the patent application, Canon has designs to use this in cameras, while it's...
- 2 days
- Kolari tears down the Canon EOS R5 Mark II Canonrumors (Yesterday) - KolariVision who is my personal favorite company to get my infrared camera conversions done, has released their teardown article on the Canon EOS R5 Mark II. I found this article fascinating because it clearly shows the ductwork inside of the camera which matches up well to our findings in the...
- 4 days
- Canon Patent Application: Actively Cooled Small Cini Camera Canonrumors (3 days ago) - In this patent application (2024-135864) Canon is exploring increasing the heat dissipation in a small R5C-looking camera body. In particular, Canon is worried about the heat buildup around the media card, and looking to improve heat dissipation around the card without increasing the size of the camera. With good reason,...
- Canon Patent Application: Diffractive Optical Element Canonrumors (3 days ago) - In this patent application (2024-135951) Canon is discussing how to improve the manufacturing of a diffractive optical element of a curious nature. Canon hopes to improve the method of manufacturing the element including preventing cracks from forming during the curing stage of creating the element, which can be especially difficult...