Samyang 20mm f/1.8 ED AS UMC

The lens is made of high-quality glass elements which provide sharp resolution and clear images. It has an advanced lens coating that helps to reduce glare and ghosting. The lens is well-built and durable, making it a good choice for outdoor photography. The lens has a wide aperture of f/1.8, which allows for great low-light performance and shallow depth of field.

Alternatives to this lens include other wide-angle lenses from different manufacturers. The lens is manual focus, which means that the user must adjust the focus manually rather than relying on autofocus. The lens has a large number of lens elements, which helps to provide clear and sharp images.

Overall, the Samyang 20mm f/1.8 ED AS UMC is a good choice for photographers looking for a wide-angle lens with a wide aperture and good image quality. It is a manual focus lens that is well-built and durable, making it a good choice for outdoor photography. The lens has a large number of lens elements and an advanced lens coating, which helps to provide clear and sharp images with reduced glare and ghosting.

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

77 mm lens filter diameter, commonly filter size, you have plenty of possibilities this lens deserves a good quality filter. Weights 525 grams so plan ahead, carry only if really necessary. 114 mm long, requires consideration if you want to carry in the camera bag.