Sigma 18-200mm f/3.5-6.3 DC OS (HSM)

The Sigma 18-200mm f/3.5-6.3 DC OS (HSM) is a camera glass that can zoom in and out for different focal lengths. It is suitable for cameras with aps-c sensors and has good optics for bright lighting conditions. The lens has an autofocus system that is quick and quiet, and its full frame equivalent focal length is between 27.0-300.0 mm. The lens has 7 aperture blades, which can provide a circular out of focus effect. It is a heavy lens, weighing 610 grams, and is 98 mm long, so it needs to be carried in its own bag. The lens filter diameter is 72 mm, which is a common size, and it is recommended to use a good quality filter.

of the Sigma 18-200mm f/3.5-6.3 DC OS (HSM) camera lens from your personal perspective.

Positives: The first thing that caught my attention about the Sigma 18-200mm lens is how compact and lightweight it is, making it perfect for travel and vacations. The zoom range is impressive, allowing me to capture wide landscapes and distant subjects without changing lenses. I was also impressed with the quality of the macro shots produced by this lens. The pictures came out sharp and detailed, with beautiful colors.

Negatives: While this lens is a great all-rounder, it can struggle in low light situations, especially at the longer end of the zoom range. I also noticed some fringing and distortion in some of my shots, but it was not significant enough to affect my overall enjoyment of using the lens.

Conclusion: Overall, I am very satisfied with the Sigma 18-200mm lens. It’s a versatile and affordable option for those looking for an all-purpose lens for travel, landscapes, and portraits. The image quality is excellent, and the convenience of not having to swap lenses is a great feature. If you’re looking for a lens that can do it all, then the Sigma 18-200mm f/3.5-6.3 DC OS (HSM) is definitely worth considering.

Optical design

Full frame equivalent focal length is 27.0-300.0 mm. It is a ring-type ultrasonic motor designed to provide quick and silent focusing. Great choice mainly for good light conditions 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.

Physical characteristics

98 mm long, requires consideration if you want to carry in the camera bag. Weights 610 grams so it is a heavy lens, consider using its own lens bag. With a lens filter diameter of 72 mm you are one step from the next standard filter size, buy step-up ring and bigger filter but you can chose from plenty options.