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one-on-one photography coaching

Photography Lesson: Module 1 – The Exposure Triangle

Behnam · 2026-06-10 14:30:00 to 2026-06-10 14:37:28

Review: Pending Review

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Summary

The instructor opens a photography lesson for Behnam, emphasizing storytelling and access to real-life subjects over technical gear. Module 1 explains how a camera sees using the exposure triangle: aperture controls light and depth of field, shutter speed controls motion blur and light, and ISO adjusts sensor sensitivity at the cost of noise. Behnam answers a question about photographing Anna running by correctly choosing a faster shutter speed, wide aperture, and higher ISO, and the instructor validates his understanding. Homework includes taking three iPhone photos in different lighting conditions and reading the EXIF metadata.

Facts

  • Aperture uses f-numbers: lower f-number lets in more light and blurs background; higher f-number keeps more in focus.
  • Shutter speed freezes motion when fast and creates motion blur when slow.
  • ISO increases sensor sensitivity but adds noise at higher values.
  • An iPhone 16 Pro has a fixed aperture on each lens, so aperture is not manually controlled on the phone.
  • A noisy sharp photo is usually preferable to a clean blurry photo.

Tasks

  • Take three photos of the same object in bright sunshine, indoors near a window, and in a dim room.
  • Open each photo and swipe up or tap the info icon to view ISO, aperture, and shutter speed.
  • Photograph Anna standing still, a moving car, and someone walking or a tree blowing in the wind.
  • Review the metadata and try to predict what settings the camera will choose.

Issues

No ongoing issues extracted.