This new generation of compact standard zoom lens retains the same 1: 2 (Half Lifesize) Tele-macro capabilities of its predecessor. However, it incorporates a Helical Focusing system for convenient use of polarizing or graduated filters. This also allows a "Perfect Hood" (supplied) to be used. This lens also utilizes a new optical design, and a "flare-cut" aperture, providing even better optical performance. And a convenient "Depth Scale" is displayed on the lens barrel to help calculate Depth-of-Field. This is the most desirable lens in the 28-80mm category.