Story Mode GuyFree tools for photographers & filmmakers
Golden Hour Calculator
Sunrise, sunset, golden hour & blue hour for any spot — the best light of the day.
ND Filter & Long Exposure Calculator
Pick your base shutter and ND strength — get the corrected long-exposure time.
Equivalent Exposure Calculator
Change one setting and see how to trade the others to keep the same brightness.
Video Shutter Speed (180° Rule)
Pick your frame rate — get the shutter speed that gives natural, cinematic motion blur.
Drone Pre-Flight Checklist
Run this before every flight. Most crashes and flyaways are prevented on the ground.
Depth of Field Calculator
How much will be in focus? Set your camera, focal length, aperture and focus distance.
Handheld Shutter Speed
The slowest shutter you can hand-hold sharp — from your focal length, sensor and stabilization.
Time-Lapse Calculator
Plan a time-lapse: set the interval and target clip length — get shots needed and shooting time.
Crop Factor Calculator
See the full-frame-equivalent focal length and depth-of-field aperture for your camera.
Print Size Calculator
How big can you print? Enter your image's pixel dimensions or megapixels.