Standard

BS ISO 21575:2026

Raw optical glass — Powder test method for the water resistance of optical glass — Test method and classification

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This document specifies the general procedures of the powder test method for the water resistance of optical glass.

Product Details

Descriptors

Performance

Small arms

Telescopes

Tolerances of position

Optical instruments

Visual perception

Optics

Tolerances (measurement)

Classification systems

Dimensional tolerances

Weapons

Seatings

Optical properties of materials

Outdoor sports equipment

Interfaces

Telescopic

ICS Codes

37.020 Optical equipment

Committee

CPW/172

International relationships

Identical to:

ISO 21575

ISBN

978 0 539 30980 5

Publisher

BSI