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Depth of field

Depth of field. David Jakob, Perttu Hotakainen. Overview. What is DoF ? Circle of Confusion Relation DoF  Aperture Focal Plane Shifting Videography Mathematics Optical Formulas : Near Limit & Far Limit Hyperfocal Distance Wide-Angle, Tele, Macro Aesthetics & Composition

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Depth of field

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  1. Depth of field David Jakob, Perttu Hotakainen

  2. Overview • WhatisDoF? • Circle ofConfusion • Relation DoF Aperture • Focal Plane • Shifting • Videography • Mathematics • Optical Formulas: Near Limit & Far Limit • HyperfocalDistance • Wide-Angle, Tele, Macro • Aesthetics & Composition • Isolating Objects: Portraiture • LandscapePhotography • FakeDoF

  3. What is Depth of Field? • Depth of Field (DoF) is the areabetween the closest and farthestpointswhichappearfocused in a still image. • Concept: Circle of confusion

  4. Test Setup

  5. WhatisDepthof Field • Aperture in relationtoDoF http://youtu.be/hGC30Xf0168

  6. Explaining DOF

  7. FocalPlane • Shifting the focalplane http://youtu.be/0kf-SjFoo4Y • How? • Application in Videography: • Focus Puller • Follow Focus • http://youtu.be/T7PYl0KiTvI

  8. Mathematics http://www.dofmaster.com/dofjs.html

  9. HyperfocalDistance

  10. HyperfocalDistance

  11. HyperfocalDistance

  12. Effectwith different FocalLengths

  13. Effectwith different FocalLengths

  14. IncreasingAperture • http://youtu.be/fmIP8e5ipv0 50mm f1.8-f22 • http://youtu.be/Y9A2nF3LsVM 11-16mm f2.8-f22

  15. Aesthetics & Composition

  16. Aesthetics & Composition

  17. ”Ifyoucan’tmakeit–fake it.” • Using Software to emulateDoF: http://youtu.be/V330YDIIGxY

  18. Tilt-Shift

  19. Tilt-Shift

  20. Tilt-Shift

  21. Tilt-Shift

  22. References • http://www.cambridgeincolour.com/tutorials/depth-of-field.htmaccessed on 29.08.2014 • http://www.dofmaster.com/dofjs.htmlaccessed on 29.08.2014 • http://www.luminous-landscape.com/tutorials/dof2.shtmlaccessed on 29.08.2014 • http://www.largeformatphotography.info/articles/DoFinDepth.pdfaccessed on 29.08.2014 • http://www.normankoren.com/Tutorials/MTF6.htmlaccessed on 29.08.2014

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