MINT - Perfect or very Near Perfect. No visible wear or markings. Lenses have no internal dust or haze. Items have no scratches. 100% functional.
EXCELLENT - Very little wear. Lenses have very little dust. No haze. Items have only minor scratches. 100% functional.
GOOD - Some moderate wear. Lenses may have moderate dust. No Haze. Items have moderate scratches. No scratches in glass. 100% functional.
FAIR - Shows heavy wear and use. Lenses may have small scratches in glass and heavy dust or haze/fungus. Items may have dents and paint loss. 90-100% functional.
INOPERABLE - Item is broken and unusable in its current state. May have multiple missing parts. Lenses may have significant scratches/dust/ haze/fungus. May have water or impact damage.