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📸 Exposure Calculator
Exposure Triangle
Sunny 16 Rule
Flash Guide
Exposure Triangle Calculator
EV = log₂(f²/t) - log₂(ISO/100)
Aperture (f-stop)
f/1.4
f/2
f/2.8
f/4
f/5.6
f/8
f/11
f/16
f/22
f/32
Shutter Speed (seconds)
1/8000s
1/4000s
1/2000s
1/1000s
1/500s
1/250s
1/125s
1/60s
1/30s
1/15s
1/8s
1/4s
1/2s
1s
2s
4s
8s
15s
30s
ISO
ISO 100
ISO 200
ISO 400
ISO 800
ISO 1600
ISO 3200
ISO 6400
ISO 12800
Calculate Exposure
EV 15
Exposure Value
Exposure Analysis
Sunny 16 Rule Calculator
Sunny 16: f/16, shutter = 1/ISO
Lighting Condition
Bright Sunny Day
Hazy Sun
Cloudy Bright
Overcast
Heavy Overcast
Open Shade
Indoor Lighting
Dim Indoor
ISO
ISO 100
ISO 200
ISO 400
ISO 800
ISO 1600
Calculate Settings
f/16 @ 1/100s
Recommended Settings
Sunny 16 Settings
Flash Guide Number Calculator
Guide Number = Distance × f-stop
Flash Guide Number
Subject Distance (feet)
ISO
ISO 100
ISO 200
ISO 400
ISO 800
ISO 1600
Calculate Flash Settings
f/12
Recommended f-stop
Flash Settings