Assertion: camera's lens | /r/HasAspect | visible defects
Facets:
value: with a color emulsion
type: OTHER
Source sentences:
text: The progression of lens design for later emulsions is of practical importance when considering the use of old lenses, still often used on large-format equipment; a lens designed for orthochromatic film may have visible defects with a color emulsion; a lens for panchromatic film will be better but not as good as later designs.