Assertion: focal length eyepiece | /r/HasAspect | long eye relief
Facets:
value: inherently
type: MANNER
value: usually
type: TEMPORAL
value: correspondingly
type: MANNER
Source sentences:
text: Short focal length eyepieces often have (uncomfortably) short eye relief, whereas most long focal length eyepieces usually have correspondingly long eye relief.
text: Long-focal-length eyepieces (usually low power) inherently have long eye relief, so they do not need to be specially designed to increase eye relief.