The EF 24-105mm f/4L IS USM incorporates Canon's highest standards of precision optics. mo marks or scratches Constant f/4 Aperture from 24 to 105mm, f/4.0 - f/22 Aperture Range Optimized Super Spectra lens coatings and lens element shaping suppress flare and ghosting Ultra-Low Dispersion glass (UD) element Ring USM Ultra Sonic Motor IS Image Stabilizer Dust and Moisture Resistant EF Mount full frame or crop sensors Price $475 CASH..! Please send me your phone number for an appoinment to meet up