BS ISO 15227:2000
Current
The latest, up-to-date edition.
Optics and optical instruments. Microscopes. Testing of stereomicroscopes
Hardcopy , PDF
English
15-06-2000
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Accuracy of testing
5 Test conditions
5.1 Total visual magnification (MTOT VIS)
5.2 Difference in total visual magnification
between left and right optical systems
5.3 Difference in axes between left and right
optical systems
5.4 Difference in the centers of the image fields
between left and right optical systems
5.5 Difference in imaging rotations between right
and left images
5.6 Axial shift of object plane by magnification
change
5.7 Lateral shift of image plane by magnification
change
5.8 Focus difference between left and right optical
systems
5.9 Resolution for the highest magnification at the
center of the field
5.10 Difference in exit pupil heights between left
and right optical systems
5.11 Minimum range for interpupillary distance
5.12 Calibration error if a dioptre scale is used
5.13 Minimum eyepiece dioptre adjustment range
6 Test methods
6.1 Apparatus
6.2 Apparatus configuration
6.3 Test procedures
Bibliography
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.