Used Sigma 28mm f/2.8 Mini-Wide II USM Yes - most consumer zooms

Yes - most consumer zooms of that era had variable apertures

Will this lens work on a full-frame Canon camera

light-gathering and field-of-view well

Zuiko Digital 2x Teleconverter MC-20

Used Sigma 28mm f/2.8 Mini-Wide II USM Yes - most consumer zoomsCondition & contents Grading Good Testing Fully tested Warranty 6 month warranty Includes Lens Back Caps At a glance: Sigma 28mm f 2. 8 Mini Wide II compact manual focus wide prime for Canon EF. About this lens The Sigma 28mm f 2. 8 Mini Wide II is a compact manual focus wide angle prime from Sigma's 1980s lineup. A small, affordable 28mm wide for film and early DSLR bodies. A characterful vintage lens with a distinctive shooting feel compared to