1 / 6

Focus

Focus. On how to get a sharp picture. Outline. Focus mechanism Focus type Focus drive Final notes. Focus mechanism. Sensor Phase detection Contrast measurement Control system Motor Internal external. Focus type. Manual Auto Single point Auto point detection

Télécharger la présentation

Focus

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Focus On how to get a sharp picture

  2. Outline • Focus mechanism • Focus type • Focus drive • Final notes

  3. Focus mechanism • Sensor • Phase detection • Contrast measurement • Control system • Motor • Internal • external

  4. Focus type • Manual • Auto • Single point • Auto point detection Caution: Not all lenses are all-time focus

  5. Focus drive • Single shot (AF-S) • Al-servo (AF-C) • Al-focus (AF-A)

  6. Final notes • DEPTH and DIFFICULTY of Focus: DOF • Hyper focal distance • Sharpness is not only dependent on the focus • Shutter speed • Lens quality at different appertures

More Related