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Sigma 18125mm f3556 DC IF Aspherical Zoom Lens for Pentax and Samsung Digital SLR Cameras SLR Camera Lenses Black Sb3oP3WDr



  • Product Code:Sb3oP3WDr
  • Availability:In Stock

From the Manufacturer

Sigma Corporation is pleased to announce the launch of the new 18-125mm F3.5-5.6 DC. This zoom lens was exclusively designed for use with digital Single-Lens Reflex (SLR) cameras and has 6.9 times high magnification zoom ratio. Image circle is designed to match the size of the image sensor of digital SLR cameras. A Special Low Dispersion (SLD) and two pieces of aspherical glass elements produce high level of optical performance through the entire zoom range and also this has resulted in a compactlightweight lens. This lens has a minimum focusing distance of 50cm (19.6in.) at all focal lengths and equipped with inner focusing system. Since the front of the lens does not rotate"Petal Shaped Hood" and a circular polarizing filter can be easily attached and used. This lens is also equipped with "Zoom Lock Switch" that eliminates "Zoom Creep."

An image sensor element larger than those corresponding to APS-C cannot be used in digital cameras or 35mm SLR cameras. If such an element is used vignetting will occur on the picture surface.

Aspherical lenses
Lens elements that are not spherical can reduce the total number of elements required in a lens design. They can deliver better performance while reducing weight and size.

Aspherical lenses maximize optical performance while minimizing lens size and weight. Aspherical lenses help reduce some of the problems usually associated with wide angles and zoomssuch as lens flare and edge distortion.

They also help deliver higher quality telephoto images.

Internal Focusing
For our mid-range lenseswe use an internal focusing system that moves inner lens groups to allow a shorter minimum focusing distance. All while retaining a constant physical lens barrel length.

Pentax SLR AF mount; standard zoom lens
Aspherical lens and internal focusing
18 to 125 mm focal length
f/3.5 maximum aperture
6.9x magnification

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