Categories

Canon filed patent for 2mm f/1.4 Lens

canon2mmpatent

Canon filed a new patent for a 2mm f/1.4 lens. Canon said that these types of lens would be ideal for compact video camera or action camera.

Patent Publication No. 2014-197128 (Google Translated)

  • Published  Date 2014.10.16
  • Filing date 2013.3.29

Example

  • Focal length f = 2.03mm
  • Fno. 1.44mm
  • Half angle ω = 59.18 °
  • Image height 3.00mm
  • The overall length of the lens 32.17mm
  • BF 0.51mm
  • Canon patents
  • Focus position of the periphery of the screen is shifted If you install the dome cover
  • And suppress the deviation of the focus by changing the air space of the lens in accordance with the presence or absence of the dome cover
 

Leave a Reply

Top-5-Photo-contest-image
camera-comparison-dtatbase best-pro-compact-camer-imagbest-entry-level-dslr-imageBest-APS-C-mid-range-DSLR-iBest-pro-C-mid-range-DSLR-iBest-fullframe-camera-image
Best-Camera-of-2016-button-

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 40 other subscribers