BS ISO 516:2019 Camera shutters. Timing. General definition and mechanical shutter measurements

BS ISO 516:2019

Camera shutters. Timing. General definition and mechanical shutter measurements

Status : Current   Published : April 2019



What is this standard about?

This document provides a uniform basis for determining the exposure times for all types of shutters used in still cameras and contains suitable definitions of the terms used.

It specifies the exposure-time markings for all types of shutters and their tolerances.

The characteristics of all types of mechanical shutters, which are mounted in still cameras and affect the control of exposure, motion-stopping ability and synchronization with a photoflash light source are also defined.

The tolerances specified are the target values for the shutter performance that can be expected to give good results. They are not intended for application as a general inspection standard in controlling the performance of mechanical shutters, since tolerances may vary with the feature and price class of camera tested.

Test methods are described for routine manufacturing testing and quality control. These test methods require access to the focal plane of the camera and can therefore not be applied to assembled digital still cameras.

Standard NumberBS ISO 516:2019
TitleCamera shutters. Timing. General definition and mechanical shutter measurements
Publication Date09 April 2019
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)ISO 10330
ReplacesBS ISO 516:1999
International RelationshipsISO 516:2019
Draft Superseded By17/30344523 DC
DescriptorsTolerances (measurement), Exposure time, Performance testing, Mathematical calculations, Synchronization, Time measurement, Test equipment, Photographic equipment, Photography, Marking, Optical measurement, Still-picture cameras, Camera shutters, Cameras
Title in FrenchObturateurs d'appareils photographiques. Durée d'exposition. Définition générale et mesurages d'obturateur mécanique
ISBN978 0 580 94841 1
File Size1.409 MB

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