Pixco 50mm f/1.8 APS C Lens+Lens Hood+Macro Ring+16mm C Mount adapter for Nikon 1/M4/3 /For Pentax Q/ Nex / Fuji/ for eos|50mm f/1.8|aps-c lensc mount - AliExpress
Sigma APS-C Hood HA 850-01 Adapter (For 70-200mm f/2.8 EX DG OS HSM Lens) at KEH Camera