Lens Body

50 mm focal lenght

100 mm focal lenght

Exposure time

(Aperture value)2 = light on sensor

Lens diameter

Focal lenght=

Aperture value (2, 4, 5.6..)

Large aperture lensShort depth of field

Small aperture lensLong depth of field

Minimum aperture value (f/32)

Exposure 15 s (!)

max depth of field

Very low aperture value (f/22)

Exposure 8 s

Very large depth of field

Low aperture value (f/14)

Exposure 3.2 s

Large depth of field

Medium aperture value (f/8)

Exposure 1 s

intermediate depth of field

Large aperture value (f/5.6)

Exposure 0.5 s

short depth of field

Very large aperture value (f/3.5)

Exposure 0.2 s

Very short depth of field

Max aperture value (f/2.8)

Exposure 0.125 s

Minimum depth of field