This lens is not for iris photos.
We offer this lens as an add-on so you can use your camera for personal/holidays/family etc... situations.
It is only available if you're also purchasing a full iriscope with camera included.
Description from Canon: The EF-S 18-55mm f/3.5-5.6 DC III is a high-quality, standard zoom lens that will appeal to photographers who prefer to travel light. With a focal length equivalent of 29-88mm in 35mm format, the lens’ wide zoom range is suitable for most general photography. For close-up work, the working distance is just 0.25m (25cm) throughout the zoom range.