BS 3668:1963
Current
The latest, up-to-date edition.
Specification for red and green filters used in ophthalmic dichromatic and dissociation tests
Hardcopy , PDF
English
09-10-1963
Co-operating organizations
Foreword
1 Scope
2 Definitions
Section 1 - Filters for use in dichromatic tests
3 Weighted spectral transmission
4 Luminous transmission factor
Section 2 - Filters for use in dissociation tests
5 Spectral transmission
6 Luminous transmission factor
7 Quality of viewing goggles
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