Danubia 90-210mm f/4 MC Auto

when taking photos at a distance. It has multiple lens elements that are coated to reduce reflections and improve image quality. The lens has a fixed aperture of f/4 throughout the zoom range, allowing for consistent exposure settings. The build quality of the lens is sturdy and durable, making it suitable for outdoor photography. The lens produces beautiful bokeh, which is the quality of the out-of-focus areas in a photo. The autofocus is not available on this lens, so the photographer has to manually focus the lens. The manufacturing time of this lens is not known, but it is likely to have been produced in the 1980s or 1990s. There are alternative lenses available in the market with similar focal length and aperture, but they may differ in terms of build quality and image quality. Overall, the Danubia 90-210mm f/4 MC Auto is a good option for photographers looking for an affordable ultra-telephoto zoom lens with good optics and build quality.

Optical design

Great choice mainly for good light conditions