Macro Magnification Calculator
Want to know what’s required to take images of something very small? This calculator will help you visualise and work out what extension tubes would be required.
Macro calculator
Pick what you're photographing, drag the slider until it fills the frame the way you want, and see what gear gets you there.
What are you photographing?
mm
You need
–
Your gear
mm
×
Not sure about closest-focus magnification? It's often in the lens specs. About 0.1× to 0.15× is typical for a standard lens.
Ways to get there
What to expect
Area in frame–
Depth of field–
Working distance–
Exposure with tubes–
Results assume a standard, roughly symmetrical lens. Telephoto and zoom lenses behave differently, so treat these as a starting point and check the focusing screen.