DIYP Tools
Use DIYP’s Free Online Tools for Photographers And Filmmakers
Jan 7, 2026
John Aldred
These calculators cover common photographic calculations, from print preparation and focus control to long exposures and pinhole cameras. They’re intended as practical references you can…
FREE TOOL: Use Our Free Hyperfocal Distance Calculator for Sharper Landscapes
Jan 7, 2026
John Aldred
Struggling to keep everything sharp from foreground to background? That’s a depth-of-field problem. This calculator lets you enter your camera, focal length, aperture, and subject…
FREE TOOL: Get Reliable Pinhole Exposures – Try Our Free Pinhole Camera Exposure Calculator
Jan 7, 2026
John Aldred
Pinhole cameras don’t behave like standard lenses, and exposure times can quickly become unpredictable. But it’s a pursuit so popular that there’s an annual celebration…
FREE TOOL: Dial In the Perfect ND Exposure – Try Our Free Long Exposure (ND) Calculator
Jan 7, 2026
John Aldred
Adding a Neutral Density filter (ND) changes your exposure time – typically by several stops. This calculator takes your base shutter speed and ND strength…
FREE TOOL: Nail Your Focus Every Time – Try Our Free Depth of Field Calculator
Jan 7, 2026
John Aldred
Not sure how much of your image will actually be in focus? Depth of field depends on aperture, focal length, sensor size, and distance to…
FREE TOOL: Get Picture-Perfect Prints – Try Our Free Print Size Calculator
Nov 4, 2025
John Aldred
Printing our photos is on the rise. Do your prints look soft or blocky when they come back from the lab? Let our Print Size…