Amazon.com : Haoge LH-X54W Square Metal Lens Hood with 49mm Adapter Ring for Fujifilm Fuji X100V Camera Silver : Electronics
Micro Square Lens - MPNICS STORE
Square lens hood on X-T cameras -- hot or not? : r/fujifilm
Squarehood MK III Black Lens Hood with Adapter Ring NEW - For Fuji X1
Lomo Anamorphic Square Front Lens Set - Love High Speed
Amazon.com : 37mm-72mm Camera Lens Hood, Square Lens Hood Sun Shade/Shield, Reduces Lens Flare and Glare for Digital Video Camera and Camcorder : Electronics
JJC Square Lens Hoods For Fuji X-Series Lenses — Derek Clark Photography
Haoge Bayonet Square Metal Lens Hood For Sony Fe 50mm F2.5 G Lens (fe 2.5/50 G) Shade With Metal Cap - Camera Lens Hoods - AliExpress
This cheap lens makes square bokeh thanks to its aperture - DIY Photography