Sigma 18-200mm f/3.5-6.3 II DC HSM

The Sigma 18-200mm f/3.5-6.3 II DC HSM is a versatile camera glass that can be used for various purposes. It has an autofocus feature that allows for quick and silent focusing. This photographic lens has a focal length equivalent to 27.0-300.0 mm and 7 aperture blades that can create a circle-shaped out of focus area. It has a filter diameter of 62 mm and weighs 490 grams, making it a bit heavy to carry around. Its length is 87 mm, so it may require a larger camera bag. The lens elements are coated to reduce glare and improve image quality. The build quality is decent, and it is a mid-grade lens that is suitable for good lighting conditions. The resolution is good enough for most purposes. Overall, it is a good option for those who are looking for a lens that can do a little bit of everything, but it may not be the best option for low light conditions or professional photography. Alternatives may include lenses with wider apertures or more specialized lenses for specific purposes.

Optical design

Has 7 aperture blades, mid-grade lenses usually have this amount of blades. Having rounded blades provides out of focus circle shape closer to a circle. It is a ring-type ultrasonic motor designed to provide quick and silent focusing. Full frame equivalent focal length is 27.0-300.0 mm. Great choice mainly for good light conditions

Physical characteristics

With a lens filter diameter of 62 mm you are one step from the next standard filter size, buy step-up ring and bigger filter you may want to use a step-up ring and 67 or 77mm filter. 87 mm long, requires consideration if you want to carry in the camera bag. Weights 490 grams so plan ahead, carry only if really necessary.