Lens blur

An optical effect where objects outside the focal plane are rendered with reduced sharpness, simulating camera-settings. The aesthetic quality of this blur is termed bokeh.

Key Concepts

• Depth of Field (DoF): The range of distance within an image that appears acceptably sharp.
• Focal Plane: The specific plane where light is focused.
• Physical Drivers: Blur intensity is primarily controlled via aperture, focal length, and subject distance.

Digital Simulation & Manipulation

• Automated Tools: adobe-camera-raw and lightroom feature automated Lens Blur tools that estimate depth.
• Advanced Precision:
  • photoshop depth-map technology enables precise 3D-style photo adjustments.
  • Utilizes depth masks to achieve more realistic and granular results than standard automated tools.
  • Reference: 2026 04 22 Photoshop Depth Map Mastering Precise 3D Photo Adjustments (via piximperfect).

Source Notes

• 2026-04-22: [[lab-notes/2026-04-22-Photoshop-Depth-Map-Mastering-Precise-3D-Photo-Adjustments|Photoshop Depth Map: Mastering Precise 3D Photo Adjustments]]