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Leica T Super-Vario-Elmar 11-23mm f/3.5-4.5 ASPH
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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 stepping motor AFLenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses. 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. |
Leica T Super-Vario-Elmar 11-23mm f/3.5-4.5 ASPH Specification
| Available mount(s) | Leica L |
| Application(s) | Landscape, Interiors, Architecture |
| Category(s) | Wide angle zoom |
| Multiplier | 1.5× |
| Stabilizer | no |
| Focal length | 11 - 23 mm (2.1× zoom) |
| Lens construction | 14 elements in 11 groups |
| Angle of view |
35mm: N/A digital: 103-64° |
| Number of blades | N/A |
| Maximum aperture | wide: f/3.5 tele: f/4.5 |
| Minimum aperture | wide: f/16 tele: f/16 |
| Minimum focusing distance | 20 cm |
| Magnification | 0.18× |
| Filter size | 67 mm |
| Size | ∅ 73 × 77 mm |
| Weight | 368 g |
| Notes |
|
| 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 | N/A |
| Ultrasonic AF | N/A |
| Stepping motor AF | no |
| APS-C sized circle | yes |
| Low dispersion lens element | N/A |
| Hard case | N/A |
| Soft case | N/A |
| Lens hood | N/A |
| Tripod adapter | N/A |
Leica T Super-Vario-Elmar 11-23mm f/3.5-4.5 ASPH Reviews
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