NA 027
DIN Standards Committee Optics and Precision Mechanics
Standards
[Withdrawn]
DIN 58220-1
DIN 58220-1
Visual acuity testing; standard optotype
Title (German)
Sehschärfebestimmung; Normsehzeichen
Document: references other documents
Document: referenced in other documents
Responsible national committee
NA 027 - DIN Standards Committee Optics and Precision Mechanics