For sale: a 46mm screw-in metal lens hood. For wide-angle lenses, made in Japan (manufacturer unknown). Unused. It has been stored in a dehumidified storage box for about 30 years. • Rare tapered shape: Unlike current straight (cylindrical) types, this has a classic design that flares towards the front, perfect for dressing up your camera. • High quality and reliability: Made in Japan (stamped "JAPAN") and made of metal. High-quality construction with anti-reflective light-shielding grooves on the inside. • Wide-angle compatible (W-L): Designed to prevent vignetting even with wide-angle lenses. • Compatibility with Leica lenses: • Summilux 50mm f1.4 (3rd generation and later/ASPH.) • Elmarit 28mm f2.8 (4th generation) • Compatible with E46 diameter Leica lenses such as the above • Main compatible lenses: Also compatible with Micro Four Thirds lenses such as LUMIX 20mm/25mm, M.ZUIKO 17mm/25mm, etc. Thank you for looking.