Sigma 8mm f/4 Fisheye EX Circular

The Sigma 8mm f/4 Fisheye EX Circular is a type of camera glass that provides a unique fisheye effect. It has autofocus capabilities and can be used on full frame cameras. The lens has a design with 5 aperture blades, which can provide a pleasing out of focus circle shape. It has average brightness compared to other lenses. The lens is 61mm long and weighs 320 grams, so it may be heavy and require consideration when carrying it in a camera bag. The lens is made with high-quality materials and has a good build quality. It has a resolution that can capture sharp images. The lens has a special coating that can reduce glare and improve image quality. The lens is manufactured with high-quality lens elements that can provide clear and sharp images. There are alternatives available in the market for this type of photographic lens. The lens has a fixed aperture of f/4, which may not be suitable for all lighting conditions. Overall, the Sigma 8mm f/4 Fisheye EX Circular is a good option for those looking to capture unique fisheye images with their camera.

Optical design

Has 5 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. Average brightness in this league

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.