The Sigma 18-200 OS comes with a 11x zoom range and an image stabilization feature that makes it a versatile tool, especially for those who want a travel lens. With this product, the users will be able to capture different focal lengths ranging from telephoto to wide angle.
It comes with two SLD glass elements and two hybrid aspherical lenses that will correct the different types of aberrations. The housing of the Sigma 18-200 OS is not only compact but also light in weight. It weighs 14.3 ounces and measures 70mm in diameter and 78.1mm in length. It also comes with a new lens coating that will not only reduce both flare and ghosting but also b ring about an optimum balance in color.
What makes the Sigma 18-200 OS different from its predecessor is the Optical Stabilizer function - a unique technology from Sigma. This system applies tow sensors that will detect the vertical and horizontal movement of the camera so that it compensates the camera shake. This makes it a great choice for those people looking to take great handheld shots. The users will be able to capture photos in low light conditions without using a tripod.
The optical performance of the Sigma 18-200 OS is facilitated by a special low dispersion (SLD) lens and 3 aspherical glass elements. They will correct the aberrations and offer high quality images across the zoom range.
It comes with two SLD glass elements and two hybrid aspherical lenses that will correct the different types of aberrations. The housing of the Sigma 18-200 OS is not only compact but also light in weight. It weighs 14.3 ounces and measures 70mm in diameter and 78.1mm in length. It also comes with a new lens coating that will not only reduce both flare and ghosting but also b ring about an optimum balance in color.
What makes the Sigma 18-200 OS different from its predecessor is the Optical Stabilizer function - a unique technology from Sigma. This system applies tow sensors that will detect the vertical and horizontal movement of the camera so that it compensates the camera shake. This makes it a great choice for those people looking to take great handheld shots. The users will be able to capture photos in low light conditions without using a tripod.
The optical performance of the Sigma 18-200 OS is facilitated by a special low dispersion (SLD) lens and 3 aspherical glass elements. They will correct the aberrations and offer high quality images across the zoom range.
With a minimum focusing distance of 45cm across the zoom range, the Sigma 18-200 OS is ideal for close up photography. It is also facilitated by the maximum magnification of 1:3:9. The users can also make use of petal type hood and circular polarizing filters, thanks to the inner focusing system that prevents the rotation of the front lens.
The other benefits the users will enjoy are the magnification scale, which is displayed on the barrel of the lens to make it easier for the users to take shots. Besides that, they will not have to worry about the zoom creep due to the weight of the lens or when travelling because of the zoom lock switch mechanism in the Sigma 18-200 OS.
With these benefits, the users will also experience a number of problems. For starters the telephoto image quality is poorer for wide angle shots even after the users have stopped down several stops. Fortunately, they will not need to pay a lot for Sigma 18-200 OS because it is cheaper as compared to a number of alternatives.
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