| | Four Thirds Zoom Lenses that are 10mm or wider and have a f/4 or faster aperture | | |  | "I found the lens solid in feel, easy to change, quick enough focussing" bhphotovideo.com | | Min focal length | 9 mm | | | Weight | 275 g | | | | | | | Aperture | f/4 | | | Diameter | 79 mm | | | | | | | Fixed aperture | No | | | Max focal length | 18 mm | | | | | | | Length | 74 mm | | | Auto focus | Yes | | | | | | | | | | |  | "Super sharp, wicked quality. Incredible for landscape photography!" bhphotovideo.com | | Fixed aperture | | | The same maximum aperture at all focal lengths | | | | Min focal length | 7 mm | | | Weight | 0.8 kg | | | | | | | Aperture | f/4 | | | Diameter | 86 mm | | | | | | | Fixed aperture | Yes | | | Max focal length | 14 mm | | | | | | | Length | 119 mm | | | Auto focus | Yes | | | | | | | |  | "Fun lens for architecture/interior design photography and other cool compositions where you get plenty of light. " bhphotovideo.com | | Min focal length | 10 mm | | | Weight | 0.5 kg | | | | | | | Aperture | f/4 | | | Diameter | 86 mm | | | | | | | Fixed aperture | No | | | Max focal length | 20 mm | | | | | | | Length | 89 mm | | | Auto focus | Yes | | | | | | | | | | | |
