Japan Patent Application 2018173487 shows a bunch of different optical formulas for new EF-M zoom lenses. Lenses included in the patent: EF-M 15-130mm f/3.5-6.3 IS STM Read more...
canonrumors.com2018-11-9 13:59
Japan Patent Application 2018173487 shows a bunch of different optical formulas for new EF-M zoom lenses. Lenses included in the patent: EF-M 15-130mm f/3.5-6.3 IS STM Read more...
canonrumors.com
Canon continues to submit patent applications for an improved EF-M 15-45mm f/3.5-5.6 IS STM. The current version is inconsistent at best, some people get a Read more... canonrumors.com »
2018-11-03 21:01
A new patent showing an optical formula for a new wide angle prime has appeared. The full frame lens in the application is an EF 15mm f/4, while the APS-C optical formula of a EF-M 9. 5mm f/4 shows a shorter backfocus than an EF-S lens and could actually be EF-M. canonrumors.com »
2018-01-11 18:34
Update: Canon News has dug a bit further and come to the conclusion that these optical formulas are for a fisheye due to the lenses having a 175 degree field of view. A new patent showing an optical formula for a new wide angle prime has appeared. The full frame lens in the application is Read more... canonrumors.com »
2018-01-11 18:34
A new ultrawide zoom lens for APS-C EOS M cameras has appeared. This may be a replacement for the excellent EF-M 11-22mm f/4-5. 6 IS STM. The only knock against that lens is that it’s not wide enough. canonrumors.com »
2017-12-27 22:09
A patent showing a faster version of the EF-M 15-45mm has appeared in the form of three separate optical formulas. EF-M 15-45mm f/1.8-3.5 EF-M 15-45mm f/2.0-4.0 EF-M 15-45mm f/2.8-5.0 Canon News Summarizes: It also looks like it may be the first canon lens patent application that I’ve seen that specifically mentions that distortion abberation control Read more... canonrumors.com »
2017-11-18 16:53