Interfaces
Optical instruments
Telescopic
Telescopes
Visual perception
Performance
Seatings
Optics
Weapons
Outdoor sports equipment
Tolerances (measurement)
Classification systems
Dimensional tolerances
Small arms
Tolerances of position
Optical properties of materials
Link: BS ISO 19741:2018 Optics and photonics. Optical materials and components. Test method for striae in infrared optical materials
Source: BSI Standards
