$499.00

Tamron SP AF17-50mm f/2.8 XR Di II LD Aspherical

see the whole gallery in large	APS-C sized image Lenses 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 AF Lenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses. No stepping motor AF Lenses 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 used Low Dispersion lens elements help to reduce chromatic aberration. Not stabilized Image 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 mount Cheaper 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 Focusing Internally focusing lenses don't change their size while setting focus. The front lens is fixed The 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 support Drop-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.
The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens. In addition, portrait shots are made beautiful with the natural out-of-focus effect characteristic provided by the fast F/2.8 aperture. Additionally, a broader photographic expression through the use of faster shutter speeds as a result of the maximum aperture offers enhanced photographic pleasure. The lens boasts one of the best close-up shooting performances in the class of fast standard zoom lenses designed exclusively for digital cameras and featuring an F/2.8 maximum aperture throughout the entire zoom range, to ensure stress-free photographic shots at all focal lengths and distances.

The SP AF17-50mm F/2.8 is a lightweight, compact, fast standard zoom lens designed exclusively for digital SLR cameras, expanding the product concept of the popular SP AF28-75mm F/2.8 zoom lens. In addition, portrait shots are made beautiful with the natural out-of-focus effect characteristic provided by the fast F/2.8 aperture. Additionally, a broader photographic expression through the use of faster shutter speeds as a result of the maximum aperture offers enhanced photographic pleasure. The lens boasts one of the best close-up shooting performances in the class of fast standard zoom lenses designed exclusively for digital cameras and featuring an F/2.8 maximum aperture throughout the entire zoom range, to ensure stress-free photographic shots at all focal lengths and distances.

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Tamron SP AF17-50mm f/2.8 XR Di II LD Aspherical Specification

Tamron SP AF17-50mm f/2.8 XR Di II LD Aspherical Specification
Available mount(s)	Canon EF, Nikon F, Pentax K, Sony / Minolta A
Application(s)	Portrait, Landscape, Architecture
Category(s)	Standard zoom
Multiplier	1.5×
Stabilizer	no
Focal length	17 - 50 mm (2.9× zoom)
Lens construction	16 elements in 13 groups
Angle of view	35mm: N/A digital: 78.75-31.18°
Number of blades	7
Maximum aperture	wide: f/2.8 tele: f/2.8
Minimum aperture	wide: f/32 tele: N/A
Minimum focusing distance	27 cm
Magnification	0.22×
Filter size	67 mm
Size	∅ 74 × 81.7 mm
Weight	430 g
Notes	A Nikon version with integrated focus motor is available for entry level Nikon DSLR's.
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	DA09 (included) printable lens hood
Tripod adapter	N/A