No stepping motor AFLenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses. One or more Low Dispersion lens element is usedLow Dispersion lens elements help to reduce chromatic aberration. Built-in image stabilizerImage stabilization helps to reduce blur caused by hand shake, especially at high focal length or in low light situations. Image stabilization can give 1 to 3 stop advantage over none stabilized lens, based on the reciprocal rule. Metal mountCheaper lenses are usually equipped with plastic mount, while more expensive, professional lenses have metal mount. In general, metal mounts are more durable, and a good thing to have when lenses are changed a lot. When a camera is used mainly with one lens, the material of the lens mount is not that important. Internal FocusingInternally focusing lenses don't change their size while setting focus. Internal ZoomInternally zooming lenses don't change their size while focal length is changing. The front lens is fixedThe fixed front lens is not rotating during zoom and/or focusing. This allows the photographer to use petal shaped lens hood. Fixed front lenses also make the use of polarization filters a lot easier. |
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Available mount(s) | Micro FourThirds |
Application(s) | Portrait, Wildlife |
Category(s) | Tele zoom |
Multiplier | 2× |
Stabilizer | yes |
Focal length | 45 - 175 mm (3.9× zoom) |
Lens construction | 14 elements in 10 groups |
Angle of view |
35mm: N/A digital: 27-7.1° |
Number of blades | 7 |
Maximum aperture | wide: f/4 tele: f/5.6 |
Minimum aperture | wide: f/22 tele: f/22 |
Minimum focusing distance | 90 cm |
Magnification | 0.2× |
Filter size | 46 mm |
Size | ∅ 61.6 × 90 mm |
Weight | 210 g |
Notes |
X-series, premium lens with electric zoom lever.
Multi-Actuator Floating Inner Focus System |
AF speed | N/A |
AF sound | |
Internal focusing | yes |
Internal zoom | yes |
Fix front lens | yes |
Mount type | metal |
Weather sealed | N/A |
Drop in filter | N/A |
Ultrasonic AF | N/A |
Stepping motor AF | no |
APS-C sized circle | N/A |
Low dispersion lens element | yes |
Hard case | N/A |
Soft case | included |
Lens hood | N/A |
Tripod adapter | N/A |