Danubigon
Danubigon is not a commonly recognized brand in photography. It may have been a small manufacturer or a brand name used for rebranded lenses, possibly associated with the Danube region. Without more specific information, it's challenging to provide detailed information about Danubigon lenses.
Danubigon Lenses
Danubigon 28-70mm f/3-4.5 Auto MC
~$45
Danubigon 28-70mm f/3-4.5 Auto MC is a manual focus prime zoom lens for full frame cameras.<p><b>Optical design</b></p>Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.<p><b>Physical characteristics</b></p> With a lens filter diameter of 62 mm you are one step from the next standard filter size, buy step-up ring and bigger filter you may want to use a step-up ring and 67 or 77mm filter.
Danubigon 80-200mm f/4 MC Auto
~$5
Danubigon 80-200mm f/4 MC Auto is a manual focus telephoto zoom lens for full frame cameras.<p><b>Optical design</b></p>Great choice mainly for good light conditions<p><b>Physical characteristics</b></p> With a lens filter diameter of 55 mm commonly filter size, presents numerous filter possibilities.