Pinhole Calculator
Depth of Camera
(from pinhole to film)
Inches
cm
mm
Image Diameter
Aperture Diameter
(Leave value at 0 to use optimum)
mm
Optimum Pinhole Diameter
mm
F-Stop
Metered Aperture
Exposure Factor
(Multiply exposure time at metered aperture by this)
Metered Exposure Time
/
Pinhole Exposure Time
m
secs