This is a Samyang lens that has a 0.26-metre minimum focusing distance and a 10 mm maximum focal length. Furthermore, it is a prime lens.
From JESSOPS
Samyang XP 10mm f/3.5 Lens - Canon EF
Camera Centre
Samyang XP 10mm F3.5 Prime Lens: Canon AE EF Mount
This product is also available at 1 unverified store.