Reference Tables
Quick-reference tables, charts and standards.
Aperture f-Stop Chart
Full, half, and third stops from f/1.0 to f/64 with light transmission and depth of field effects.
Camera Sensor Size Comparison
All common sensor sizes with dimensions in mm, crop factors, and megapixel ranges.
ND Filter Density & Exposure Chart
ND2 through ND1000 with optical density, f-stop reduction, and shutter speed adjustments.
Photo Print Sizes & Resolution Guide
Standard UK print sizes from 6x4 to A0 with pixels needed at 300 DPI and aspect ratios.