Kenko L-M Conversion Ring 50-75 Silver (Brass) Allows you to attach L39 mount lenses to Leica M mount bodies. The third image is from the official website. Made in Japan with precision using solid brass. Half-cut type, compatible with lenses with locking levers. Manufacturer: Kenko (Made in Japan) Material: Brass Retail Price: ¥9,460 (including tax) (Discontinued) LM Ring, Mount Adapter Thank you for viewing.