Bright f/1.8 maximum aperture offers increased control over depth of field and also benefits working in a variety of lighting conditions<br />Compact, lightweight design incorporates a metal bayonet lens mount for added durability<br />Seven-blade diaphragm contributes to a smooth out-of-focus quality when working with selective focus techniques<br />Multi-coated glass elements increase contrast and maintain color accuracy by reducing flare and ghosting">