Spiratone Expandar 28mm f/2.8 Auto Wideangle

The Spiratone Expandar 28mm f/2.8 Auto Wideangle is a camera glass that captures wide-angle shots with a maximum aperture of f/2.8. It is a manual focus photographic lens that has a good build quality and is capable of producing high resolution images. The lens has multiple elements that help in reducing distortions and aberrations. It also has a lens coating that helps in reducing reflections and flares. The manufacturing time of the lens is not mentioned. The lens has a good aperture value that helps in capturing bright images even in low light conditions. The lens has a good bokeh effect that makes the out of focus areas look smooth and pleasing to the eye. There are alternatives available in the market that offer similar features and performance.

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. Bright lens thanks to the high aperture value