| Four Thirds Zoom Lenses that have a generic focus motor and have a f/4 or faster aperture | | | | "I am delighted with this 140-600mm lense as it enables me to get close shots of birds and wildlife and has great clarity and sharpness for a moderately priced lense." bhphotovideo.com | Great telephoto lens | | 300 mm | | | Aperture | f/4 | | | Length | 127 mm | | | | | Focus motor | Generic motor | | | Zoom range | 4.3x | | | | | Fixed aperture | No | | | Max focal length | 300 mm | | | | | Weight | 0.6 kg | | | Diameter | 80 mm | | | | | | | | | | "I found the lens solid in feel, easy to change, quick enough focussing" bhphotovideo.com | Aperture | f/4 | | | Length | 74 mm | | | | | Focus motor | Generic motor | | | Zoom range | 2x | | | | | Fixed aperture | No | | | Max focal length | 18 mm | | | | | Weight | 275 g | | | Diameter | 79 mm | | | | | | | | "Super sharp, wicked quality. Incredible for landscape photography!" bhphotovideo.com | Fixed aperture | | The same maximum aperture at all focal lengths | | | Aperture | f/4 | | | Length | 119 mm | | | | | Focus motor | Generic motor | | | Zoom range | 2x | | | | | Fixed aperture | Yes | | | Max focal length | 14 mm | | | | | Weight | 0.8 kg | | | Diameter | 86 mm | | | | | | | | | | "Light weight and easy to handle. Imagages are very sharp and bright." bhphotovideo.com | Aperture | f/4 | | | Length | 72 mm | | | | | Focus motor | Generic motor | | | Zoom range | 3.8x | | | | | Fixed aperture | No | | | Max focal length | 150 mm | | | | | Weight | 220 g | | | Diameter | 66 mm | | | | | | | | "For routine use. the light weight, and compactness of the E-500/14-42 combo can be a real advantage." bhphotovideo.com | Aperture | f/3.5 | | | Length | 61 mm | | | | | Focus motor | Generic motor | | | Zoom range | 3x | | | | | Fixed aperture | No | | | Max focal length | 42 mm | | | | | Weight | 190 g | | | Diameter | 66 mm | | | | | | | | | | "Love the clarity, love the 2.8. The wide angle gives me the ability to shoot a larger area closer and make the shots more interesting. For shooting groups of people it is wonderful." bhphotovideo.com | Aperture | f/2.8 | | | Length | 93 mm | | | | | Focus motor | Generic motor | | | Zoom range | 2x | | | | | Fixed aperture | No | | | Max focal length | 22 mm | | | | | Weight | 485 g | | | Diameter | 75 mm | | | | | | | | "Very sharp, fast and heavy. I use an SLR mostly to photograph flat art where I need a better tonal scale than smaller sensors." bhphotovideo.com | Aperture | f/2.8 | | | Length | 88 mm | | | | | Focus motor | Generic motor | | | Zoom range | 3.9x | | | | | Fixed aperture | No | | | Max focal length | 54 mm | | | | | Weight | 440 g | | | Diameter | 74 mm | | | | | | | | | | "The lens is much better than the stock lens. It gives great depth of field when on the end of the lens and has a nice reach." bhphotovideo.com | Aperture | f/3.5 | | | Length | 85 mm | | | | | Focus motor | Generic motor | | | Zoom range | 10x | | | | | Fixed aperture | No | | | Max focal length | 180 mm | | | | | Weight | 435 g | | | Diameter | 78 mm | | | | | | | | "This lens is very useful in low light and with fast action events. The lens is very fast (bright) which allows for fast shutter speeds to capture the action" bhphotovideo.com | Fixed aperture | | The same maximum aperture at all focal lengths | | | | Aperture | f/2 | | | Length | 214 mm | | | | | Focus motor | Generic motor | | | Zoom range | 2.9x | | | | | Fixed aperture | Yes | | | Max focal length | 100 mm | | | | | Weight | 1.7 kg | | | Diameter | 97 mm | | | | | | | | | | "It was perfect for several graduations. I generally use it with my E3 body, which makes the whole system very weather resistant." bhphotovideo.com | Fixed aperture | | The same maximum aperture at all focal lengths | | | Great telephoto lens | | 250 mm | | | Aperture | f/2.8 | | | Length | 277 mm | | | | | Focus motor | Generic motor | | | Zoom range | 2.8x | | | | | Fixed aperture | Yes | | | Max focal length | 250 mm | | | | | Weight | 3.3 kg | | | Diameter | 125 mm | | | | | | | |