Sigma AF 28mm f/1.8 Aspherical

This camera glass has a wide aperture of f/1.8, which is great for low light situations and creating a shallow depth of field. The lens has aspherical elements, which helps to reduce distortion and aberrations in the photos. It also has a multi-layer coating to reduce ghosting and flare.

The lens can be used with autofocus or manual focus, depending on the photographer’s preference. The build quality is good and the lens feels solid in the hand. The resolution of the lens is sharp, which is important for capturing detail in the photos.

There are alternatives to this photographic lens, such as other wide angle lenses from Sigma or other brands. The lens is manufactured by Sigma, which is a reputable company in the camera industry.

Overall, the Sigma AF 28mm f/1.8 Aspherical lens is a good choice for photographers who want a wide angle lens with a wide aperture. It has good build quality and sharp resolution, and can be used with autofocus or manual focus.

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. Wide open, subjects located outside the depth of field are shown very blurred.

Physical characteristics

69 mm long, this small lens should be always in the camera bag. With a lens filter diameter of 58 mm commonly filter size, presents numerous filter possibilities. Weights 350 grams so plan ahead, carry only if really necessary.