Canon PowerShot

Canon Patents 42x Zoom Lens!

This site contains affiliate links to products and services. We may receive a commission for purchases made through these links.

The number of shots I’ve missed because I only have 35x zoom is staggering. It’s a good thing they’re working on something more!

That EF 1200 f/5.6L is starting to look overpriced.

2011 33868 fig03 - Canon Patents 42x Zoom Lens!
4.36mm-180.0mm F2.54-5.74


Publication number Patent 2011-33868 (P2011-33868A)

Release date February 17, 2011 (2011.2.17)

Numerical Example

  • F = 4.36-180.0mm focal length
  • Fno = 2.54-5.74
  • 38.63-1.23 ° angle
  • Image height is 3.49-3.88mm
  • Total lens length 94.37-134.09
  • Back Focus 9.00-6.38
  • 41.24 zoom ratio
  • Two-sided aspheric

Optical system

  • Positive lead type zoom lens
  • Zooming, the object first and third groups, the group moved toward the second image
  • The third lens group for image stabilization
  • Expression rear focus lens group to focus on the fifth


Comments are closed.