Assertion: lens's number | /r/CapableOf | recommend taking different approaches
Facets:
value: to lens calibration
type: PURPOSE
value: blindly
type: MANNER
value: unfortunately
type: MANNER
Source sentences:
text: Unfortunately, a number of photographers and online resources blindly recommend taking different approaches to lens calibration without fully understanding how autofocus system works, which leads to more frustration and unhappiness from end users.