Sigma 18-250mm f/3.5-6.3 DC Macro HSM

Sigma 18-250mm f/3.5-6.3 DC Macro HSM is a auto focus ultra telephoto zoom lens for aps-c cameras.

Optical design

Thanks to the macro capabilities this lens can make tiny things look big. It is a ring-type ultrasonic motor designed to provide quick and silent focusing. 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. Full frame equivalent focal length is 27.0-375.0 mm. Great choice mainly for good light conditions

Physical characteristics

Weights 470 grams so plan ahead, carry only if really necessary. 88 mm long, requires consideration if you want to carry in the camera bag. 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.