The Vivitar Series 1 28-90mm f/2.8-3.5 Macro is standard kit lens. It is commonly referred to as the 'stovepie' because of its long profile with wide front end. The lens is a push-pull type, thus the focal length is changed by pushing or pulling the focusing ring and the lens length is changing at the same time. The lens has macro capabilities at 28mm; however it produces a minimal focus distance of one meter at 90mm. The lens employs 14 elements in 12 groups optical construction, six aperture blades, and 67mm filter thread.