The Canon TS-E 90mm f/2.8L Macro is a specialized short telephoto lens featuring enhanced close-focusing and perspective control functions, ideal for product and macro photography. It offers up to 10 degrees of tilt for focus precision, up to 12mm of shift for composition adjustment, along with a tilt-locking mechanism for stability during shoots. With a minimum focusing distance of 1.3 feet and a 0.5x magnification capacity, this lens enables meticulous control over the depth of field in close-up imaging. The lens' optical design includes one Ultra-Low Dispersion (UD) element to reduce chromatic aberrations and color fringing, and an aspherical element to curb spherical aberrations and distortion. The elements also boast an Air Sphere Coating to enhance contrast and color fidelity by eliminating flare and ghosting.