36 Patch Dynamic Range (LDR)
- At least 50 dB of Dynamic Range
- Gray background for proper auto-exposure
- Slanted edge and color patch features
GrayWorld WDR & UHDR
- At least 100 dB or 150dB of Dynamic Range
- Constructed from two and three layers of photographic film
- Gray background for proper auto-exposure
- Characterize real-world system performance
Contrast Resolution
- Measure distinguishability of low contrast objects within larger fields with Imatest 5.0
- 100 dB of Dynamic Range
- Grey background for proper auto-exposure
- Slanted edge features
DarkWorld Mask
- Goes over 36-patch test charts
- Idealized dark scene with minimum flare
- May be difficult for autoexposure
XYLA
- Dark background with linear steps
- 84 dB, 120 dB or 150 of Dynamic Range
- Includes self-contained light source
- Difficult to detect, affected by light falloff
ISO 21550
- Optical density 4 to 6
- Supports the ISO standard
- Good for macro systems
- Low cost