37/39/40.5/43/46mm Metal Screw-on Vented Lens Hood For Wide-angle Lenses (at Least 24mm) Universal Black Photography Accessory - Camera Lens Hoods - AliExpress
Amazon.com : 72MM 0.43x Wide Angle Conversion Lens with Macro Close-Up Attachment for Canon, Carl Zeiss, Fujifilm, Nikon, Panasonic, Pentax, Olympus, Samsung, Sigma, Sony, Tamron, Tokina Lens : Electronics
Lot 3 52mm Japanese Lens Conversions: .43 Wide Angle, 2.2x Telephoto, .5x Video | eBay
Amazon.com : New 0.43x High Definition Wide Angle Conversion Lens for Fujifilm X-T2 (Only for Lenses with Filter Sizes of 39, 43, 52 Or 58mm) : Electronics