Lens finder
Sigma 18-125mm f/3.5-5.6 DC
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APS-C sized imageLenses that create APS-C sized image are designed for digital only. They cannot be used on cameras that have image sensor larger than the APS-C format. These lenses are not suitable for film cameras either. No Ultrasonic AFLenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses. 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. Not stabilizedImage 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. 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. No drop-in filter supportDrop-in filters are used in those lenses where either the front lens is too large, or the field of view doesn't permit the use of traditional filters at the front of the lens. Usually bright tele and ultra-wide angle lenses support this filter type. |
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This zoom lens was exclusively designed for digital SLR cameras featuring APS-C size image sensor and has a 6.9:1 zoom ratio. The image circle is designed to match the size of the image sensor of digital SLR cameras. From wide angle to telephoto, this new zoom lens can capture a wide range of subjects. As there is no need to change lenses, there is no risk of missing those great shots. This lens has a minimum focusing distance of 50cm (19.6in.) at all focal lengths and a maximum magnification of 1:5.3. A distance scale on the focus ring makes the lens convenient and easy to use.
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Sigma 18-125mm f/3.5-5.6 DC Specification
| Available mount(s) | Canon EF, Nikon F, Pentax K, Sony / Minolta A, FourThirds, Sigma |
| Application(s) | Portrait, Landscape, Architecture |
| Category(s) | Standard zoom, Tele zoom |
| Multiplier | 1.5× |
| Stabilizer | no |
| Focal length | 18 - 125 mm (6.9× zoom) |
| Lens construction | 15 elements in 14 groups |
| Angle of view |
35mm: N/A digital: 69.3-11.4° |
| Number of blades | 7 |
| Maximum aperture | wide: f/3.5 tele: f/5.6 |
| Minimum aperture | wide: f/22 tele: N/A |
| Minimum focusing distance | 50 cm |
| Magnification | 0.19× |
| Filter size | 62 mm |
| Size | ∅ 70 × 77.7 mm |
| Weight | 385 g |
| Notes |
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| AF speed | N/A |
| AF sound | |
| Internal focusing | yes |
| Internal zoom | N/A |
| Fix front lens | yes |
| Mount type | metal |
| Weather sealed | N/A |
| Drop in filter | no |
| Ultrasonic AF | no |
| Stepping motor AF | no |
| APS-C sized circle | yes |
| Low dispersion lens element | yes |
| Hard case | N/A |
| Soft case | N/A |
| Lens hood |
LH680-01 printable lens hood |
| Tripod adapter | N/A |
| Discontinued | yes |
Sigma 18-125mm f/3.5-5.6 DC Reviews
Other reviews
- Sigma 18-125mm f/3.5-5.6 DC review at www.ephotozine.com (English)
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