A. Schacht Ulm Travenon R 135mm f/4.5
The A. Schacht Ulm Travenon R 135mm f/4.5 is a camera glass that can be used with different camera mounts. It is a manual focus lens with good resolution, thanks to its lens elements and coating. The lens has a nice bokeh, which is the quality of the out-of-focus areas in a photo. It has a fixed aperture of f/4.5, which means that the amount of light entering the lens is constant, regardless of the zoom level. The build quality of the lens is good, and it was manufactured a long time ago. If you are looking for an alternative lens, there are other options available in the market.
Average brightness in this league Has 16 aperture blades, this lens has a beautiful bokeh.
114 mm long, requires consideration if you want to carry in the camera bag. 40.5 mm lens filter diameter, 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 279 grams so consider putting to your camera bag.