70–210mm · f/2.8–4
The Vivitar Series 1 70-210mm f/3.5 is a classic third-party zoom praised for its sharpness, pleasant bokeh, and solid metal build. It offers a constant f/3.5 aperture and a unique macro mode achieving 1:2 magnification. Weaknesses include heavy weight, focus ring rotation with filters, and zoom creep. It suits landscape and stationary subjects on film or digital, but is less ideal for moving subjects. Ken Rockwell notes it works best on manual-focus cameras and FX digital.