Sigma AF 8mm f/4 EX Fisheye

The Sigma AF 8mm f/4 EX Fisheye is a type of camera glass that captures a unique wide-angle view with a circular distortion effect. It is compatible with various camera mounts. The lens can be used in both manual and autofocus modes. It has 11 lens elements which are coated to reduce flare and ghosting. The build quality of the lens is good and it is durable. The aperture of the lens is f/4 which is not very bright but still usable. The lens provides good resolution and sharpness. There are alternative fisheye lenses available in the market but the Sigma AF 8mm f/4 EX Fisheye is a good option for those who want a fisheye lens with autofocus. The manufacturing time of the lens may vary depending on the demand.

Optical design

Average brightness in this league Has 5 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 320 grams so plan ahead, carry only if really necessary. 61 mm long, this small lens should be always in the camera bag.