Sirius 18-28mm f/4-4.5 MC Auto

The Sirius 18-28mm f/4-4.5 MC Auto camera glass is a wide angle zoom lens that is suitable for full frame cameras. It is a manual focus lens that has good build quality and resolution. The lens has multiple elements and is coated to reduce glare and improve image quality. The aperture of the lens is adjustable, allowing for greater control over the depth of field. The lens produces good bokeh, which is the quality of the out-of-focus areas in an image. The autofocus is not available in this lens, but it can be a good alternative for those who prefer manual focus. The manufacturing time of the lens is not mentioned. There are other alternatives available in the market, but the Sirius 18-28mm f/4-4.5 MC Auto lens is a good option for those who want a wide angle zoom lens with good optics.

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

84 mm long, requires consideration if you want to carry in the camera bag. 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. Weights 488 grams so plan ahead, carry only if really necessary.