Aetna-Rokunar 28-200mm f/3.9-5.6

The Aetna-Rokunar 28-200mm f/3.9-5.6 is a camera glass that can be used for zooming in on faraway objects. It can be used with different camera mounts. It can be focused manually. When used for taking photos, it can create a nice blurry background effect (bokeh). It does not have autofocus. It is made up of different glass elements, which help to create clear and sharp images. The lens coating helps to reduce glare and improve image quality. It was manufactured some time ago. The aperture can be adjusted, which can help to create different effects in photos. The build quality is good, which means that it is durable and can last a long time. The resolution is also good, meaning that the images it produces are clear and detailed. There are other lenses available that can also be used for zooming in on faraway objects.

Optical design

Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.

Physical characteristics

With a lens filter diameter of 72 mm you are one step from the next standard filter size, buy step-up ring and bigger filter but you can chose from plenty options.