Photography Guides & Reference Charts
Every guide on ShutterMath — the reference material behind the calculators. Print any chart and take it in your bag.
Reference charts
Hyperfocal Distance Chart
Full frame, APS-C, Canon APS-C and Micro 4/3 — focal lengths 14–200 mm, f/2.8–f/16.
Read →ND Filter Long Exposure Chart
Base exposure → shutter time for every filter from ND2 to ND64000.
Read →Shutter Speed Chart
What shutter speed for birds, sports, street, waterfalls, and video.
Read →Camera Sensor Sizes
Every format with exact dimensions and crop factors.
Read →Per-lens depth of field tables
24mm DoF Table
Read →35mm DoF Table
Read →50mm DoF Table
Read →85mm DoF Table
Read →135mm DoF Table
Read →Concepts explained
Exposure Triangle Explained
Aperture, shutter, ISO — what each does and how they trade off.
Read →Circle of Confusion Explained
The number inside every DoF calculation, and which standard to use.
Read →Long Exposure Guide
Silky water and light trails — the full settings workflow.
Read →Low Light Settings
Noise vs blur, ISO strategy, and real EV numbers.
Read →Aperture Explained
f-stops, light, depth of field — and the best f-stop for every genre.
Read →Focal Length Explained
What 24/35/50/85 mm really mean, with angles of view.
Read →Crop Factor Explained
APS-C, M4/3 and phone equivalence — computed for real cameras.
Read →Exposure Value Chart
EV −6 to +17 with scene examples, computed at ISO 100.
Read →Sharpest Aperture
Diffraction limits computed for real cameras, pixel by pixel.
Read →Depth of field by genre
Landscape DoF
Hyperfocal focusing, the f/8–f/11 sweet spot, and focus stacking.
Read →Portrait DoF
How much blur is right, which lens, and where to focus.
Read →Macro DoF
Magnification math, effective aperture, and stacking step size.
Read →Astro DoF & Focus
Focusing at infinity, f-ratio trade-offs, and star-exposure rules.
Read →Sports & Action DoF
Freezing motion, tracking focus, and staying sharp in the chaos.
Read →Real Estate DoF
Interior sharpness from wall to wall at the right f-stop.
Read →