Articles

Frequently Asked Questions

Definitions of Depth of Field

Hyperfocal Distance Guide

Digital SLRs and Depth of Field

Increasing Background Blur in Photographs

A Simple Distance Meter (Rangefinder)

Depth of Field Equations

Depth of Field Approximations

Theory of Depth of Field Scales

Depth of Field When Image Size is Constant

Circles of Confusion for Digital Cameras

Focal Lengths of Digital Camera Lenses

Circle of Confusion Calculator for Digital Cameras

Depth of Field Calculations for Cinematography

Basic Photography Course — Instruction on the principles associated with light, optics, cameras, light-sensitive materials, equipment, still and motion-media shooting techniques, chemical mixing, image processing and printing, job control, and photographic finishing.

Advanced Photography Course — Instruction on aerial photography, photographic quality assurance, electronic imaging, basic photojournalism, supply and logistics, silver recovery, and basic operator troubleshooting.

Cross Reference - Filters for Black-and-White Photography