| | Four Thirds Zoom Lenses that have a Olympus SWD focus motor and have a f/4 or faster aperture | | |  | "Excellent lens for sport and fast action. The external zooming makes it a bit fragile if you're shooting in crowds or potentially damaging environments." bhphotovideo.com | | Aperture | f/2.8 | | | Zoom range | 4x | | | | | | | Focus motor | Olympus SWD | | | Length | 157 mm | | | | | | | Fixed aperture | No | | | Min focal length | 50 mm | | | | | | | Max focal length | 200 mm | | | Weight | 1 kg | | | | | | | | | | |  | "The SWD focussing is quite exceptional (as is the macro capability). If you have only one ZD lens make it this one." bhphotovideo.com | | Aperture | f/2.8 | | | Zoom range | 5x | | | | | | | Focus motor | Olympus SWD | | | Length | 99 mm | | | | | | | Fixed aperture | No | | | Min focal length | 12 mm | | | | | | | Max focal length | 60 mm | | | Weight | 0.6 kg | | | | | | | |  | "All I can say is WOW! Terrific for night and low light shooting, ultra fast focusing, wonderful bokeh." bhphotovideo.com | | Fixed aperture | | | The same maximum aperture at all focal lengths | | | | Aperture | f/2 | | | Zoom range | 2.5x | | | | | | | Focus motor | Olympus SWD | | | Length | 123 mm | | | | | | | Fixed aperture | Yes | | | Min focal length | 14 mm | | | | | | | Max focal length | 35 mm | | | Weight | 0.9 kg | | | | | | | | | | | |
