To the untrained eye, they were just high-quality, circular pieces of glass with a distinct, deep azure tint. But to Arthur, they were a time machine. He had been searching for this exact model and color for over three years, scourging vintage optic forums and back-alley estate sales.
Arthur looked back at the woman's expectant, hopeful eyes. He knew that if he put the Z1s in his display case, they would just sit there, admired by a few niche enthusiasts. But if he put them in these goggles... they would see the road again. They would cut through the glare of a setting sun on a winding coastal highway, just as Zeiss had intended decades ago.
"I can restore the leather," Arthur said slowly. "And I can polish the frame. But you need glass. Real glass. Not plastic."
These specific Z1 lenses were legendary among collectors. Developed by the German optics giant, the blue tint was engineered to enhance contrast and reduce glare on asphalt, making them a favorite among European rally drivers navigating the blinding, sun-drenched mountain passes of the Alps.
Arthur picked up the frames with practiced gentleness. He examined the lens grooves. They were a perfect match.
She placed the case on the counter and opened it. Inside was a set of frames in desperate shape. The metal was pitted, the leather strap dry-rotted and crumbling. But the structure was sound.