Tamron 28-300mm F/3.5-6.3 Aspherical LD IF Macro 185D Autofocus Lens For Pentax K Mount Review

The Tamron 28-300mm f/3.5-6.3 Aspherical LD IF Macro 185D is an older all-in-one zoom designed for Pentax K mount cameras. With a 10.7x zoom range stretching from wide-angle to telephoto, it aims to cover most everyday shooting scenarios without swapping glass. The lens includes aspherical and low-dispersion elements to manage distortion and chromatic aberration across that wide range, plus internal focusing and a macro mode for close-up work.

This particular unit is a used bargain-grade example from KEH, priced at $103 and sold with caps and hood. For Pentax shooters on a tight budget who want a single lens for travel or general use, it offers significant range at a low entry price. The aperture range is typical for superzoom lenses of its generation, starting at f/3.5 at the wide end and stopping down to f/6.3 at full telephoto. Image quality and autofocus speed are unlikely to compete with modern optics, but as a legacy lens it fills a practical niche for those who prioritize convenience and cost over cutting-edge performance.