Revuenon 50mm f/1.9 Auto
Revuenon 50mm f/1.9 Auto is a camera glass that can be used in full frame cameras manually. It produces a nice bokeh effect when used wide open, which makes the subject stand out from the background. It has a fixed focal length of 50mm, which is a popular choice for portrait photography. The lens has a manual focus system, which means that you have to adjust the focus ring yourself to get the subject in focus. It has six lens elements, which are coated to reduce reflections and improve image quality. The lens is well built and has a good resolution, which means that the images you take will be sharp and clear. The aperture of the lens can be adjusted from f/1.9 to f/16, which gives you control over the depth of field. The lens was manufactured some time ago, but it is still a good option for photographers who want a cheap alternative to modern lenses. There are other lenses available on the market that offer similar features, but they may be more expensive. Overall, if you are looking for a good quality photographic lens that produces sharp and clear images, Revuenon 50mm f/1.9 Auto is a good option to consider.
Optical design
Wide open, subjects located outside the depth of field are shown very blurred. Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.
Physical characteristics
Weights 143 grams so convinient to carry. 31 mm long, this small lens should be always in the camera bag. With a lens filter diameter of 49 mm commonly filter size, provides a range of filter options.
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