Opteka 2.2x High Definition II Telephoto Lens for Canon PowerShot A570 A590 IS Digital Camera A 2.2x converter will double your camera's maximum focal length, bringing things twice as close. High-index / low-dispersion optical glass, Digital Multi-Coated, Titanium anodized finish High speed auto-focus / Infrared compatible Maximize day and night shots by providing maximum light and image transmission Lens bag and lens covers included