Road Train !!!!!!!!!!

by Russell McMahon

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The DoF calculators won't work well here, unless they are specifically designed to handle these extremely short distances. To calculate DoF for macro distances you can use magnification-based formula DOF = 2*N*c*((m/P+1)/m*m) Where N is f-number, c is circle of confusion (typically 0.025 mm or 0.001 in), m is magnification and P is pupil magnification. ...

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