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BS ISO 15781:2019

BS ISO 15781:2019

$189.07

Photography. Digital still cameras. Measuring shooting time lag, shutter release time lag, shooting rate, and start-up time lag

Published By Publication Date Number of Pages
BSI 2019 46
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This document specifies how to measure and report the shooting time lag, shutter release time lag, shooting rate and start-up time lag for digital still cameras, including camera modules in phones and tablet computers. It includes a method that uses control signals inside the digital still camera and a method that determines the timing values without requiring access to the inside of the digital still camera.

This document does not address the measurement either of auto focus speed below recommended illumination level or auto focus accuracy.

PDF Catalog

PDF Pages PDF Title
2 National foreword
6 Foreword
7 Introduction
9 1 Scope
2 Normative references
3 Terms and definitions
11 4 Test conditions
4.1 Illumination of the test scene
12 4.2 The chart and positioning of the digital still camera
13 4.3 Battery status
4.4 Memory card
4.5 Flash
4.6 Image stabilization
4.7 Other camera settings
14 5 Measurements
5.1 Definition of measurement
5.1.1 General
15 5.1.2 Measurement with external controls
5.1.3 Measurement with internal controls
16 5.2 Measurement method
5.2.1 Start-up time
5.2.2 Shooting time lag
18 5.2.3 Shutter release time lag
5.2.4 Shooting rate
19 6 Reporting the results
21 Annex A (informative) Test results of methods to start the timing device
23 Annex B (informative) Timing device
29 Annex C (informative) Measurement with internal controls
36 Annex D (informative) Examples of reporting the result
38 Annex E (informative) Estimation of the measurement accuracy
40 Annex F (informative) Example setup for measuring the shooting time lag for cameras with continuous autofocus
44 Bibliography

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BS ISO 15781:2019
$189.07