fflensdepth.html

Lens Properties Depth of Field

f22 on a 135mm lens. Notice lens data printed in lower right corner.

f3.5 on a 135mm lens. Notice lens data printed in lower right corner.

Check out the data backdiscussion on the Notes/FAQ'spage.

We have a patent covering the application of this system in the motion picture industry and other fields. The system can be applied to various fields including but not limited to astronomy, cartography, architecture, engineering, etc. It is not limited to but can be employed in microscopes, cameras, or telescopes. It can be used with photographic, video, or most any optical recording medium.