Vivitar Series 1 35-85mm f2.8 Variable Focusing Lens 1976 Print Ad For Sale

This original 1976 print advertisement features the Vivitar Series 1 35-85mm f2.8 variable focusing lens, a highly regarded lens among professional and scientific photographers of the era. The ad highlights the lens\'s advanced optical design, including a focal length range from 35 to 85mm, a bright f2.8 maximum aperture, and a compact, rugged build. It details the lens\'s sophisticated construction with 12 elements in 9 groups, a 72mm filter size, and a lightweight yet durable design weighing 27 ounces.The vintage ad showcases the lens\'s versatility for wide-angle to medium telephoto use, emphasizing its smooth mechanical operation, precise optical alignment, and unique features like independent floating groups for close focusing without sacrificing resolution. The graphics include detailed diagrams, sample photographs, and the original Vivitar packaging, making this a valuable collectible for vintage photography enthusiasts, Vivitar collectors, and advertising memorabilia aficionados. A testament to 1970s optical innovation and marketing, this print ad is a striking piece of photographic history.