Can be used on Canon Digital Cameras (has been used on Canon 5dMKii)
Can be used on analog 35mm SLR film cameras as well (Has been used with Canon A2E)
Has 3 built in filters, you can rotate to achieve a UV Filter, Yellow Filter, and Orange Filter (see photos) [UV, Y2, O2]
Optics:11 elements, 7 groups
Max. Aperture:F4
Min. Aperture: F22