词语解释 This comprehensive lens glossary explains technical terms surrounding machine lenses. A Airy Disk and Resolving Power B C Camera mount Contrast Color and Contrast Chromatic Aberration D Distortion Depth of Field (DOF) E F Focal Length F Number (F/#) Working F/# ( W.F/#) Fixed Focal Length Lenses Floating System G H I Image Circle J K L Large Format and Line Scan Lenses M Monitor Magnification MTF MTF and Resolution Macro Lenses N Numerical Aperture (N.A) O Optical Magnification O/I ( Object to Imager ) P Q R Resolving Power Relative Illuminance S Sensor size / Pixel size T Telecentric Lens Telecentricity U V W W.D (Working Distance) Wavelength X Y Z