Film and Sensor

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Summary
This post explores the intricacies of film and sensor in photography, focusing on key elements such as film speed and ISO sensitivity, exposure techniques including light metering, and the concept of dynamic range. It also provides practical settings for moon photography, highlighting the importance of understanding light intensity and its impact on capturing images.
  • Film Speed
    • ISO (International Organization for Standardization) Sensitivity
  • Exposure
    • Light Metering
      • Reflected Light Meter
      • Incident Light Meter
      • 18% Gray Tone
        • Average scene lighting typically results in approximately 18% gray tone
        • Gray Scale
          • Light Reflectance
            • 18% Gray Card
  • Dynamic Range
    • Light intensity range reproducible by film
    • Ability to capture from darkest to brightest light intensities
    • Human eye: approximately 50,000:1
    • Highlight Areas: brightest parts of the scene
    • Shadow Areas: darkest parts of the scene
    • Moon Photography Settings
      • Shutter Speed 1/250; ISO25, f/5.6; ISO50, f/8; ISO100, f/11; ISO200, f/16; ISO400, f/22