Lens finder
Sigma 70mm f/2.8 EX DG MACRO
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Full frame 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. No Internal FocusingInternally focusing lenses don't change their size while setting focus. 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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A Special Low Dispersion (SLD) lens and two high refractive index SLD lenses provide excellent correction for all types of aberrations and produce an exceptional level of optical performance. Sigma?EURTMs super multi-layer lens coating reduces flare and ghosting, and helps create a natural color balance. A Focus Limiter Switch in incorporated on the Sigma 70mm f2.8 lens, improving the speed and accuracy of auto focus by limiting the focus range. A screw-in lens hood is included for convenient use of circular polarizing filters
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Sigma 70mm f/2.8 EX DG MACRO Specification
| Available mount(s) | Canon EF, Nikon F, Pentax K, Sony / Minolta A, Sigma |
| Application(s) | Portrait, Closeup, Landscape |
| Category(s) | Telephoto prime, Macro |
| Multiplier | 1× |
| Stabilizer | no |
| Focal length | 70 mm (prime) |
| Lens construction | 10 elements in 9 groups |
| Angle of view |
35mm: 34.3° digital: N/A |
| Number of blades | 9 |
| Maximum aperture | f/2.8 |
| Minimum aperture | f/22 |
| Minimum focusing distance | 25.7 cm |
| Magnification | 1× |
| Filter size | 62 mm |
| Size | ∅ 76 × 95 mm |
| Weight | 525 g |
| Notes |
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| AF speed | N/A |
| AF sound | |
| Internal focusing | no |
| Internal zoom | N/A |
| Fix front lens | N/A |
| Mount type | metal |
| Weather sealed | N/A |
| Drop in filter | no |
| Ultrasonic AF | no |
| Stepping motor AF | no |
| APS-C sized circle | no |
| Low dispersion lens element | yes |
| Hard case | N/A |
| Soft case | N/A |
| Lens hood | LH620-01 (included) |
| Tripod adapter | N/A |
Sigma 70mm f/2.8 EX DG MACRO Reviews
Other reviews
- Sigma 70mm f/2.8 EX DG MACRO review at dc.watch.impress.co.jp (English)
- Sigma 70mm f/2.8 EX DG MACRO review at www.ephotozine.com (English)
- Sigma 70mm f/2.8 EX DG MACRO review at dc.watch.impress.co.jp (Japanese)
- Sigma 70mm f/2.8 EX DG MACRO review at www.lenstip.com (English)
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