Close-Up Lens Calculator
 

Close-Up Lens Calculator

While writing the review of the Phottix Close-Up Filter I had to re-learn how to figure out what the specifications of a close-up lens actually means in practice. So I won't have to re-learn it again, here's a small tool that figures out the important bits.

Camera
Sensor
Camera Lens
Focal length (mm)
Near Focus Limit (mm)
Close-Up Lens
Strength (diopters)
Focus
Near

Far

Span

Reproduction Ratio
Near

Far

Size of Object That Fills Sensor
Near

Far