Sigma AF 28-200mm f/4-5.6 Zoom-Eta

The Sigma AF 28-200mm f/4-5.6 Zoom-Eta is a versatile camera glass that can be used for different photography needs. It can zoom from wide angle to telephoto, making it suitable for landscape, portrait, and wildlife photography. The lens has a good build quality and is made with high-quality glass elements that can produce sharp and clear images. It has a lens coating that helps reduce glare and ghosting, making it suitable for shooting in bright conditions.

The lens has an autofocus system that can help you capture fast-moving subjects with ease. However, it also has a manual focus option that allows you to have more control over your shots. The aperture range of f/4-5.6 allows you to have some control over depth of field, which can help you achieve a pleasing bokeh effect.

Overall, the Sigma AF 28-200mm f/4-5.6 Zoom-Eta lens is a good option for photographers who want a versatile lens that can handle different situations. It has a good optical design, physical characteristics, and can produce sharp and clear images. However, there are also other alternatives available in the market that you may want to consider before making a purchase.

Optical design

Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.

Physical characteristics

Weights 710 grams so it is a heavy lens, consider using its own lens bag. 116 mm long, requires consideration if you want to carry in the camera 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.