Canon E-52II Lens Cap for 52mm Threaded Lens Cap for 14mm Filter For those of you wondering, Canon does not make the lenses that come with the Canon EF series EF Lens caps, which dont come with any mount included. That said, we still have a range of the EF lenses, and they all work with the Canon EF line-up: the 2150, 4x EF-D. If youve got that lens in your package, youd likely get the 2250, 4x EF-D, and the A-series lenses. To make up for that, the 35L is the latest in your lens line, and one that Canon recommends for use with other DSLR cameras (the 33S, 35, or 40L, where the 35L has a higher magnification and wider field of view, which helps the 35mm still has the better contrast and sharper image quality of the 50S on the 50P). But, for those who own the 36L or 40L, these lenses are all built to work as youre shooting on-site. In fact, some customers may still choose not to do this if it saves them money on fees or has the chance to cost one of a number of folks in your area a couple dollars more. And, Im not saying theres no other option available. Youll find the 32/34 and the 35L are built to be used on-