ƒ
ΦΓ
mμlα
ω
θ
η
Home
All Formulae
Everyday Math
Aviation
Time & Calendar
Health & Fitness
ML & AI
NEW
Physics Laws
Revenue
NEW
Converters
Reference
Notepad
Mavericks
Practice Sheets
NEW
Quiz
NEW
Games
NEW
Abacus
NEW
Exam-Pattern Sheets
Search Results
1 result for “flash”
Formulae (1)
Photography & Imaging
Intermediate
Flash Guide Number
G
N
=
N
×
d
GN = N \times d
GN
=
N
×
d
Relates flash power, aperture and subject distance.
Ask FormWon