Tamron SP AF 11-18 mm f/ 4.5-5.6 Di II LD Aspherical (IF) A13 Lens

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Tamron SP AF 11-18 mm f/ 4.5-5.6 Di II LD Aspherical (IF) A13 lens

Optical design

Format: APS-C (crop)

Type: Zoom lens

Focusing: Auto Focus (AF)

Lens mounts: Canon EF, EF-S, Sony A / Minolta A, Nikon F (FX, DX), Pentax K

First year of production: 2005

Optical design: 15 elements in 12 groups

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Average price: $507

Specifications:

Focal length	Max. aperture	Min. aperture	Blades	Min. Focus (m.)	Filter Ø (mm.)	Weight (gr/oz)	Length (mm/in)
11mm - 18mm	f/4.5 - f/5.6	f/22	7	0.25	77	345/12,2	78.6/3,1

Additional information:

The Tamron SP AF 11-18 mm f/ 4.5-5.6 Di II LD Aspherical (IF) A13 (Model A13) is a wide-angle zoom lens for digital SLR APS-C (max. 16 x 24 mm) cameras.

The lens employs an extended focal length of 17 mm (small format equivalent) preferred by professional users of DSLR cameras.

In order to minimize chromatic aberrations along the axis and at the borders of the frame the Tamron SP AF 11-18mm f/4.5-5.6 Di II LD Aspherical (IF) lens utilizes one HID (High Dispersion) and one LD (Low Dispersion) glass elements.

The precise 7-blade aperture, one molded and two hybrid aspherical elements compensate for spherical and chromatic aberration and distortion, which ensures perfect optical performance of the lens.

Links to online resources:

PDF Files:

Instruction manual (views: 92)

Posted by: Himmera Date of publication: 05.11.2010

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Mechanical quality	3.00	3
Optical quality	3.00	3
Usability	3.00	3
Pricing / Value	3.00	3
Bokeh	2.67	3
Overall lens rating	2.93

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