Assertion: eyepiece's design | /r/CapableOf | give bright contrasty image
Facets:
value: before anti-reflective coatings
type: TEMPORAL
Source sentences:
text: This design, like the solid eyepiece designs of Robert Tolles, Charles S. Hastings, and E. Wilfred Taylor, is free from ghost reflections and gives a bright contrasty image, a desirable feature when it was invented (before anti-reflective coatings).