>>2959998back in the day camera manufacturers coated their lenses with blood of slaughtered unicorns. The rainbow sparkle juice drenched lenses produced superior colour rendition, but due to the SLR boom in 1985, unicorns went nearly extinct. in 1986 unicorns were officially placed on the endanger species list and the practice stopped. Most manufactures switched to artificial unicorn, with the exception of Leica who chose to use farmed unicorn from Brazil, and Argentina farms founded in 1945 by a fresh wave of German settlers.