# UnderExposureDebug Capture Report

- Timestamp: 2026-01-09T15:54:59Z
- App: UnderExposureDebug 1.0 (1)
- OS: iOS 26.3
- Hardware: iPhone17,1

## Capture
- Kind: Bracket
- Requested exposure biases: [-2.00, 0.00, 2.00]
- Result: success
- Photos captured: 3

## AVCaptureDevice
- localizedName: Back Camera
- position: back
- deviceType: AVCaptureDeviceTypeBuiltInWideAngleCamera
- activeFormat dimensions: 1920x1440
- activeFormat 420f: true
- activeColorSpace: sRGB
- geometricDistortionCorrectionEnabled: false
- activeVideoMinFrameDuration: 1/10 (0.1000s)
- activeVideoMaxFrameDuration: 1/10 (0.1000s)

## AVCapturePhotoOutput
- maxPhotoQualityPrioritization: balanced
- isDepthDataDeliverySupported: false
- isDepthDataDeliveryEnabled: false
- availablePhotoFileTypes: public.jpeg, public.heic, public.tiff, org.nema.dicom

## Device Exposure State
- before captureBracket: mode=continuousAutoExposure, targetBias=0.00, targetOffset=-0.18, adjusting=true, ISO=64.12, exposureDuration=40001000/1000000000 (0.0400s), f=1.78

## AVCapturePhotoBracketSettings
- processedFileType: public.jpeg
- flashMode: off
- photoQualityPrioritization: balanced
- isDepthDataDeliveryEnabled: false
- embedsDepthDataInPhoto: false
- isDepthDataFiltered: false
- bracketedSettingsCount: 3

## Captured Metadata (summary)

### Photo 1
- EXIF:
  - ExposureBiasValue: -1.99609375
  - ExposureTime: 0.01
  - ISOSpeedRatings: (
    64
)
  - FNumber: 1.779999971389771
  - ShutterSpeedValue: 6.64371192748363
  - ApertureValue: 1.663754436006002
  - BrightnessValue: 2.330182461838121
  - DateTimeOriginal: 2026:01:09 16:54:59
- TIFF:
  - Make: Apple
  - Model: iPhone 16 Pro
  - Software: 26.3
  - DateTime: 2026:01:09 16:54:59

### Photo 2
- EXIF:
  - ExposureBiasValue: 0
  - ExposureTime: 0.04
  - ISOSpeedRatings: (
    64
)
  - FNumber: 1.779999971389771
  - ShutterSpeedValue: 4.643820122849537
  - ApertureValue: 1.663754436006002
  - BrightnessValue: 2.321466806817021
  - DateTimeOriginal: 2026:01:09 16:54:59
- TIFF:
  - Make: Apple
  - Model: iPhone 16 Pro
  - Software: 26.3
  - DateTime: 2026:01:09 16:54:59

### Photo 3
- EXIF:
  - ExposureBiasValue: 2
  - ExposureTime: 0.04
  - ISOSpeedRatings: (
    250
)
  - FNumber: 1.779999971389771
  - ShutterSpeedValue: 4.643820122849537
  - ApertureValue: 1.663754436006002
  - BrightnessValue: 1.858435025925339
  - DateTimeOriginal: 2026:01:09 16:54:59
- TIFF:
  - Make: Apple
  - Model: iPhone 16 Pro
  - Software: 26.3
  - DateTime: 2026:01:09 16:54:59