Examples

Camera settings
Aperture ISO (ASA) Shutterspeed Focal length
s mm
Shutter speed
Should be faster than 1/50, if not use tripod to avoid shake
1/8 second(s) - 125,0 ms
1/8 sec
short long exposure
Aperture
f/64 - Ultra wide DOF
f/64
large (fast) small
50mm lens: aperture diameter = 0,78mm
Film speed/Sensitivity
ISO 800 - Very fast film (Little light necessary)
800
slow sensitive
For digital cameras: high ISO might add noise/grain to the picture.
Focal length of the lens
50 mm
50mm
macro tele
(Normal lens)
50mm
Focal Length: 50 mm (analog) - 75 mm (digital SLR)
Zoom: neutral zoom (1X)
Picture angle: 46,8° (diagonal)
Light conditions
This is an estimation of the amount of light that is present in your scene.
Low (wide) aperture, slow shutter, high ISO: it's probably very dark.
High (narrow) aperture, fast shutter, low ISO: it's probably very bright.

56,0% - (Medium)
Exposure Value: [EV 12] (FP)

Very dark Dark Light Very light

56

For the given light conditions, your options are:
Film speed/light sensitivity (ISO/ASA)
50 100 200 400 800 1600 3200
f/1 1/2000 1/4000 - - - - -
f/1.4 1/1000 1/2000 1/4000 - - - -
f/2 1/500 1/1000 1/2000 1/4000 - - -
f/2.8 1/250 1/500 1/1000 1/2000 1/4000 - -
f/4 1/125 1/250 1/500 1/1000 1/2000 1/4000 -
f/5.6 1/60 1/125 1/250 1/500 1/1000 1/2000 1/4000
f/8 1/30 1/60 1/125 1/250 1/500 1/1000 1/2000
f/11 1/15 1/30 1/60 1/125 1/250 1/500 1/1000
f/16 1/8 1/15 1/30 1/60 1/125 1/250 1/500
f/22 1/4 1/8 1/15 1/30 1/60 1/125 1/250
f/32 1/2 1/4 1/8 1/15 1/30 1/60 1/125
f/45 1/1 1/2 1/4 1/8 1/15 1/30 1/60
f/64 2 1/1 1/2 1/4 1/8 1/15 1/30
f/90 4 2 1/1 1/2 1/4 1/8 1/15

References

AOV = Angle-Of-View - Aperture - DOF = Depth-Of-Field - F-number - Focal length - Telephoto - Wide-angle lens - Fred Parker: The Ultimate Exposure Computer

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Keywords
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