Assertion: camera lens's length | /r/CapableOf | reverse achromatic lens
Facets:
value: to take images
type: PURPOSE
Source sentences:
text: The Giroux Le Daguerreotype camera used an almost 16-inch (40 cm) focal length reversed achromatic lens with a f/16 stop in front of it made by Chevalier to take 6½×8½ inch (about 16.5×21.5 cm) images.