Overview

The Canon EF 70-210mm f/4 is an early autofocus telephoto zoom (1987) praised for sharp optics with minimal color fringing. Its constant f/4 aperture is faster than modern budget zooms at the long end. Weaknesses include no image stabilization, making handheld use challenging at 210mm, and a sticky manual focus ring. The push-pull zoom is smooth but prone to creep when pointed down. It suits budget-conscious users willing to use a monopod or tripod, but its age means repair may be impractical.