Hoodman Hoodeye Glasses Eyecup - Select Sony Alpha Camera Models
Silicon Camera Viewfinder Eyecup Eyepiece Eyeshade for Sony A6600 A6500 A6400 Eye Cup Protector Replaces Sony FDAEP17 - Newegg.com
Camera Eyecup - Canon (Replaces Canon Eb / Ef)
Camera Eyecup Viewfinder Eyepiece Eye Cup For Fuji Fujifilm XT1-4 GFX100 GFX GA | eBay
Extended Long Soft Eyepiece Viewfinder Eyecup for Canon EOS R5 R6 Mark II R5C | eBay
Amazon.com : Soft Silicon Camera Viewfinder Eyecup Eye Cup Eyepiece Replacement for Sony Alpha A7R V A7RV A7R5 A7 IV A7M4 A7IV A1 & A7S III A7SIII A7S3 ILCE-7SM3 EVF Eyeshade Protector