The Leitz Summitar 5cm f2 was produced from 1939 until 1953. It is a standard collapsible prime lens for Leica screw-mount cameras. The Summitar lens was also produced for the German military during the second world war.
The Leitz Summitar is a very compact prime lens for Leica cameras. When used on a Leica screwmount camera you can collapse the lens. That means that you could collapse the lens into the camera body when you are not using it. That way your gear fits into your pocket. Unfortunately this neat feat does not work on modern digital cameras.
As with all other Leica lenses the built quality is remarkable. Although it is tiny, the lens feels solid. All this glass and metal combine to over 200 grams.
When stopped down the lens is very good when it comes to sharpness and contrast. The colour are cracking and the images have a very nice feel to them. With the right settings the images can turn out really spectacular. The lens excels when it comes to contrast and translating different tones. You will need some time to getting used to this beautiful lens but the results can be very rewarding.
The bokeh is also very special. Wide open the lens might be soft but the centre of the image is still reasonably sharp. This results in a pretty even bokeh with a vintage touch. I am sure that some folks you are into artistic photography will love that.