Sigma DN 30mm f/2.8

Sigma DN 30mm f/2.8 is a camera glass that offers a wide angle view with a bright aperture. It is suitable for aps-c cameras and has a full frame equivalent focal length of 45.0 mm. The lens has 7 aperture blades which provide a circular out of focus effect. It has a filter diameter of 46 mm and weighs 140 grams which makes it easy to carry around. The lens is 40 mm long and can fit in a camera bag. The lens has a mid-grade build quality and has a high resolution. The lens elements are coated which helps to reduce flare and ghosting. The lens is an autofocus lens which means the camera will automatically focus on the subject. It has a manual focus option which allows the user to manually focus on the subject. The lens has a fast manufacturing time and is available for purchase. There are alternatives available in the market for this lens.

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. Full frame equivalent focal length is 45.0 mm. Bright lens thanks to the high aperture value

Physical characteristics

With a lens filter diameter of 46 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. Weights 140 grams so convinient to carry. 40 mm long, this small lens should be always in the camera bag.