Amazon.com : Fotasy Metal 52mm Lens Hood for Nikkor AF 35mm f/2 35mm f/1.4 Nikkor 50mm f/1.8 50mm f/1.4 Lens, 52 mm Lens Hood, Compatible with Nikon Fuji Leica Leitz OM Lens,
Original Leica Vented Lens Hood Silver for Summicron Summilux M 35mm L – AGFCamera
Used Leica Lens Hood for Elmarit-M 28mm f/2.8 ASPH & 12470 B&H
Voigtlander LH-3 35mm 35/1.2 Leica M Nokton Version 1 Vented Lens Hood: shop.CameraQuest.com
Amazon.com : Haoge LH-M37W Metal Lens Hood for Leica Leitz Elmar 3.5cm 35mm f3.5 A36, Elmar 50mm f3.5 A36, Summaron 3.5cm 35mm f3.5 A36 and Other Lens with 36mm Outside Size Silver :
Metal Lens Hood for Leica 12504 Summilux Summicron M 35mm 1:1.4 1:2 Lens Black | eBay