| Set the film speed at ASA 25.
Set the shutter speed at 1/60th sec.
Like digital said, point at white paper or cardboard which is at the location of your plant.
f-stop reading will translate to footcandles
f/2.8 = 200
f/4 = 370
f/5.6 = 750
f/8 = 1500
f/11 = 2800
f/16 = 5000 |