UnitConverter
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Photography
Focal Length (mm)
F-number
ISO Sensitivity
Exposure Value
Lux Second
35mm Equivalent Focal Length
Exposure Time (seconds)
Focal Length (mm)
F-number
ISO Sensitivity
Exposure Value
Lux Second
35mm Equivalent Focal Length
Exposure Time (seconds)
No direct conversion formula available
Common Conversions
50
Focal Length (mm)
=
50
F-number
2.8
F-number
=
0.028
ISO Sensitivity
100
ISO Sensitivity
=
0
Exposure Value