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.
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.
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.