Assertion: telescope's optic | /r/HasProperty | kit
Facets:
Source sentences:
text: Use only a soft, CLEAN camel hair brush or use compressed air (from a can, NOT from a garage air compressor), or a cloth that is meant for optics (kits such as Orion Deluxe 6-Piece Optics Cleaning Kit or Orion Optics Cleaning Kit are examples of what should be used if you need to clean your eyepiece optics) .