Fujinon Super EBC XF 35mm f1.4 R Aspherical process_E6 Colour you can use it on

you can use it on any brand of lens with a 77mm filter diameter- not just Canon

a 1/2" (~13mm) f1

which is easier to remove and more leak-resistant than metal ones

The Canon EF 35mm f1

Leitz plastic press-on lens cap for 42mm diameter fittings

Fujinon Super EBC XF 35mm f1.4 R Aspherical process_E6 Colour you can use it onThe Fujinon Super EBC XF 35mm f1. 4 R Aspherical is a sharp, fast wide angle lens for Fuji X mount cameras. In very good condition, with clean glass and minor cosmetic wear, most notably, a small scrape on the focusing ring. Includes lens hood and matching cap, plus the regular cap in case you're not in in a lens hood mood.