Hasselblad Blue CB12 (80B) light balance filter (51632). Condition - 3E [7547].

B50 Bayonet: fits C lenses 80, 100, 105, 120, 135, 150, 250, early 80FEngraved indicating: 3.5x - filter factor CB12 - Blue -1.5 - exposure decrease of one and a half stops Included: Original box and case. Cosmetic: Almost no wear. Optical: Filter is excellent. Free from all marks. Cosmetic Condition: 3 (Very minimal signs of wear.)Functional Condition: E (Everything functioning. Major functions have recently been professionally tested.)