Photography Depth of Field Calculator_Online Calculation Tool
App description
Online photography depth of field calculator
Formula for calculating depth of field：
Among them:
δ——Allowable Dispersion Circle Diameter
F——The Aperture Value of the Lens
f——Focal length
L——Focus distance
ΔL1——Front Depth of Field
ΔL2——Background depth
ΔL——Depth of field
Formula：
Front Depth of Field\(ΔL1=FδL^2/（f^2+FδL）\)
Background depth\(ΔL2=FδL^2/（f^2-FδL）\)
Depth of field\(ΔL=ΔL1+ΔL2=（2f^2FδL^2）/（f^4-F^2δ^2L^2）\)
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