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Continue to ChatLarge Waterhouse stop (diaphragm) 75x19mm https://vintagelens.nl/shop/accessories/waterhouse-stops/large-waterhouse-stop-diaphragm-75x19mm/
Large Waterhouse stop (diaphragm) 75x19mm https://vintagelens.nl/shop/accessories/waterhouse-stops/large-waterhouse-stop-diaphragm-75x19mm/