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BS ISO 12232:2019 – TC:2020 Edition

BS ISO 12232:2019 – TC:2020 Edition

$186.33

Tracked Changes. Photography. Digital still cameras. Determination of exposure index, ISO speed ratings, standard output sensitivity, and recommended exposure index

Published By Publication Date Number of Pages
BSI 2020 66
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PDF Catalog

PDF Pages PDF Title
38 National foreword
42 Foreword
43 Introduction
45 1 Scope
2 Normative references
3 Terms and definitions
47 4 Exposure index
4.1 General
48 4.2 Focal plane measurement
4.3 Estimating focal plane exposure from scene luminance
5 Test conditions
5.1 General
5.2 Illumination
5.2.1 Daylight reference illuminant
49 5.2.2 Tungsten reference illuminant
5.3 Temperature and relative humidity
5.4 White balance
5.5 Infrared (IR) blocking filter
5.6 Photosite integration time
5.7 Compression
5.8 Other DSC user settings
6 Determination of ISO speed and ISO speed latitude
6.1 General
50 6.2 Saturation-based calculations
6.2.1 Focal plane measurement
51 6.2.2 Scene luminance measurement
6.3 Noise-based calculations
6.3.1 Focal plane method
52 6.3.2 Scene luminance method
6.3.3 Colour cameras
6.3.4 Quantization effects
53 6.4 Method of reporting
54 7 Determination of standard output sensitivity (SOS)
55 7.1 Method for calculating SOS
7.2 Method of reporting
56 8 Specification of recommended exposure index (REI)
8.1 General
8.2 Method for calculating recommended exposure index
8.3 Method of reporting
59 Annex A (informative) Recommended procedure for determining the noise-based ISO speed
61 Annex B (informative) Scene luminance and focal plane exposure
63 Annex C (informative) Recommended procedure for determining SOS values
64 Annex D (normative) Removing low frequency variations from the image data
65 Bibliography

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BS ISO 12232:2019 - TC
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