Sigma 30mm F1.4 DC HSM AF Prime Lens Canon Refurbished + 12Month Guarantee..
HSM (Hyper-Sonic Motor). Sigma Front Lens Cap. This lens uses a motor driven by ultrasonic waves to provide a quiet, high speed AF. All UPG24 gear — both Used and Refurbished — is expertly tested and inspected by our in-house technicians.