Scientific: Optics Calculators
Calculate optical magnification, focal ratios, resolving power, and Snell's law refractions.
Hyperfocal Distance & Depth of Field Calculator
Calculate hyperfocal focus distance and near/far depth of field boundaries for optical camera apertures.
Numerical Aperture
Calculate light acceptance cone half-angles and light gathering power from refractive indices.
Telescope
Calculate focal magnification, focal ratio (f-number), and Dawes' limit resolving power for optical telescopes.