is a vintage telephoto zoom lens from the late 1980s that remains a "hidden gem" for budget-conscious photographers and collectors. There are two versions: a standard consumer model and a much rarer variant featuring a distinctive red ring and improved optics. Optical Performance

: The lens is remarkably sharp, especially in the center, even wide open. Sharpness improves significantly when stopped down to , where the corners also become crisp.

: Despite its reach, the lens is relatively lightweight and small, making it a portable "walkabout" telephoto option. Buyer's Perspective

This review compares the rare L-series version of this lens to modern standards:

: It features a "push-pull" zoom mechanism rather than a twist ring. It is prone to "zoom creep," where the lens extends under its own weight when pointed down.