Camera universal filter adapter ring 49 to 82mm for Canon 760D 750D, 700D | eBay
Hasselblad V SLR Lens to Canon EOS Mount SLR Camera Body Adapter – Fotodiox, Inc. USA
Amazon.com : NEEWER 43mm MRC Variable ND Filter ND2-ND400, Neutral Density Adjustable ND Filter (0.3 to 2.7,1 to 9 Stops), Multi Layer Coated Optical Glass, Water Repellent & Scratch Resistant Ultra Slim
ND Interchangeable Clip (IC) Filter for Canon EOS R Series Camera - STC Optics
Amazon.com : JJC 49mm ND Filter ND2-2000 VND Variable Neutral Density Fader for Canon EOS R100 R50 R10 with RF-S 18-45mm Kit Lens,for Canon EOS M50 M6 Mark II M5 M200 with