Search
× Search

News

Canon Patent Application: EF-M kit zoom improvements
CanonNews
/ Categories: Canon Patents
This post may contain affiliate links(s). An affiliate link means I may earn advertising/referral fees if you make a purchase through my link, without any additional cost to you. It helps to keep this site afloat. Thank you in advance for your support. If you like what we do here, maybe buy me a coffee.

Canon Patent Application: EF-M kit zoom improvements

This patent application discusses a variety of kit zooms for the EF-M mount.  This patent is mostly trying to achieve excellent optical performance, and a low amount of vignetting in the extremities.

image pickup optical system used in an image pickup apparatus (camera), there is a demand for a zoom lens having a short overall length, a compact overall system, and high optical performance over the entire zoom range. Also, if the angle of incidence of the off-axis light beam on the image pickup element is large, shading (color shading) and lack of peripheral light amount occur, so that it is required to be a zoom lens having good telecentricity on the image side. 

The kit zooms mentioned in this patent application are the;

  • 16-50mm 3.5-5.6
  • 15-45mm 3.5-6.3
  • 18-130mm 3.4-5.6
  • 18-200mm 3.5-6.3
  • 15-130mm 3.5-6.3

Japan Patent Application 2019008235

Previous Article Canon Patent Application: Canon researching anti-static coatings for Canon RF lenses
Next Article ePhotoZine: Canon SX70 HS Review
Print
blog comments powered by Disqus

Theme picker

Keep In Touch

FacebookTwitterLinkedIn

Our Preferred Sponsors

Want to buy me a coffee?

Free Shipping to the USA and Canada*

Use CANONNEWS for $10 off AuroraHDR

Use CANONNEWS for $10 off Luminar

*Conditions may apply
Terms Of UsePrivacy Statement© 2019 by CanonNews. This site is not affiliated with Canon Inc. or it's subsidiaries.
Back To Top