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Mastering Depth of Field: Understanding Sharpness, Bokeh, and Focus Techniques

Dive into the intricacies of depth of field (dof) in photography with this comprehensive guide. Learn how aperture, focal length, and focus distance influence depth of field. Explore concepts like hyperfocal distance, crop factor impacts, bokeh aesthetics, and the benefits of tilt lenses. We'll break down how to calculate depth of field and the significance of focus stacking for achieving stunning images. Additionally, discover useful tools and apps for iPhone and Android to enhance your photography skills.

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Mastering Depth of Field: Understanding Sharpness, Bokeh, and Focus Techniques

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  1. Dybdeskarphed Kolding Fotoklub 23/2 2011

  2. Dagsorden • Fokusplan • Hvad påvirker dybdeskarpheden? • Hyperfocal distance • Crop factor • Bokeh • Tilt lenses • Focusstacking

  3. Fokusplan

  4. Fokusplan - eksempel

  5. Dybdeskarpheden – Hvad afhænger den af • Blænde • Stor blænde – Lav dybdeskarphed • Brændvidde • Stor brændvidde – Lav dybdeskarphed • Afstand til fokuspunktet • Stor afstand – Stor dybdeskarphed

  6. Dybdeskarphed - Blænde

  7. Dybdeskarphed – Brændvidde

  8. Dybdeskarphed – Afstand til fokuspunktet

  9. Men hvordan udregner jeg så dybdeskarpheden? • dofmaster.com • Programmer til iPhone og Android • Øvelse!

  10. Hyperfocal distance • Eksempel: Canon 5D, F8, 24mm – 2.42m til hyperfocal distance

  11. Crop factorens betydning for dybdeskarphed • Cropfactoren ændrer ikke objektivets brændvidde så derfor ændres dybdeskarpheden ikke. • Men hvis vi ønsker samme billedudsnit skal vi bruge henholdsvis 75mm på et fullframe og 50mm på et crop kamera. Derfor giver fullframe kameraer lavere dybdeskarphed ved samme brændvidde. • Derfor har kompaktkameraer også meget stor dybdeskarphed, da de har en lille brændvidde.

  12. Bokeh • Japansk ord - betyder dis eller sløre • Den æstetiske kvalitet af den del af billedet som ikke er i fokus

  13. Bokeh - Forskellig blændkonstruktion bagkameraet.dk

  14. Tilt objektiver

  15. Focusstacking • Sidste billede består af 6 billeder der er sat sammen • Heliconfocus, PhotoAcute og CombineZM er programmer der kan lave focusstacking

  16. Spørgsmål?

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