Fisheye lens with a 180º angle of view for unique and intriguing effects. The wide depth of field makes it even more interesting. The short minimum focusing distance of 8 in. (20 cm) gives new meaning to close-up shots. The lens has a fixed petal-type hood and a gelatin filter holder at the rear.
PhotoZone Review:
http://www.photozone.de/Reviews/Canon%20EOS%20Lens%20Tests/45-canon-eos-aps-c/150-canon-ef-15mm-f28-fisheye-test-report--review
The-digital-picture.com Review:
http://the-digital-picture.com/Reviews/Canon-EF-15mm-f-2.8-Fisheye-Lens-Review.aspx
PBase Samples:
http://www.pbase.com/cameras/canon/fd_15_28_fisheye