Description
Tamron AF 18-250mm F/3.5-6.3 Di II LD Aspherical (IF) Macro for Nikon
TheTamron AF 18-250mm f/3.5-6.3 Di-II LD Aspherical IF Macro Lensis a lightweight, compact and ultra high power zoom lens designed exclusively for digital SLR cameras with APS-C sized imager sensors. The focal length of this lens is equivalent to approx. 27-375mm in 35mm format. This lens offers an extreme zoom ratio of 13.9X, and is designed as the everyday “all-in-one” lens for digital SLR cameras, covering wideangle to long telephoto.
This updated version now incorporates motor built-in to the lens itself, which gives this lens the capability to auto focus with all Nikon DSLR cameras (including the D40 and D40x). In addition, as a result, focusing will be quieter and more responsive.
The lens uses an optical system specially designed for digital SLR cameras. This resulted in the sufficient compensation of aberrations, including astigmatism, compactness, thanks to downsizing of the first group, a high zoom power, and optimum optical quality.
Specifications
| Principal specifications | |
|---|---|
| Lens type | Zoom lens |
| Max Format size | APS-C / DX |
| Focal length | 18250mm |
| Image stabilization | No |
| Lens mount | Canon EF-S, Nikon F (DX), Pentax KAF, Sony/Minolta Alpha |
|
Aperture |
|
| Maximum aperture | F3.56.3 |
| Minimum aperture | F22 |
| Aperture ring | No |
| Number of diaphragm blades | 7 |
|
Optics |
|
| Elements | 16 |
| Groups | 13 |
| Special elements / coatings | 1 AD element 2 LD elements 2 Hybrid aspherical element |
|
Focus |
|
| Minimum focus | 0.45m(17.72) |
| Autofocus | Yes |
| Motor type | Micromotor |
| Full time manual | Unknown |
| Focus method | Internal |
| Distance scale | Yes |
| DoF scale | Yes |
|
Physical |
|
| Weight | 430g(0.95lb) |
| Diameter | 74mm(2.93) |
| Length | 84mm(3.32) |
| Colour | Black |
| Zoom method | Rotary (extending) |
| Zoom lock | Yes |
| Filter thread | 62mm |
| Hood supplied | Yes |
| Hood product code | flower shaped hood |
| Tripod collar | No |
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