Carl Zeiss Jena Tessar 40mm f/4.5
Carl Zeiss Jena Tessar 40mm f/4.5 is a camera glass with a fixed focal length that provides high resolution images. It has four lens elements that are coated to reduce flare and increase contrast. This photographic lens has a manual focus system, which allows the photographer to have full control over the focus. The build quality of this glass is excellent, and it was manufactured in the past, so it may not be easy to find one. This lens has a maximum aperture of f/4.5, which is not very bright, but it is enough for most situations. The bokeh of this lens is beautiful due to its 10 aperture blades. If you are looking for alternatives, there are many other lenses available, but the Carl Zeiss Jena Tessar 40mm f/4.5 is a classic lens that has a unique character.
Average brightness in this league Has 10 aperture blades, this lens has a beautiful bokeh.
49 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 124 grams so convinient to carry. 48 mm long, this small lens should alway be in the camera bag.