A unique collection of technical design and applications articles, as well as technology primers presenting the basics of the photonics technology.
Optical Objective Systems
A Schematic Guide
Simple Meniscus Lens The simple meniscus lens is almost universally used in inexpensive cameras. To get an image of good quality it must be used with a separate aperture stop, reducing the aperture of the lens and the aberrations and their effects. The stop also selects the pencil of off-axis rays that passes through the lens; this controls astigmatism and eliminates coma. Spherical and chromatic aberrations and field curvature are totally...