Tair is another vintage lens from soviet times. As a fast telephoto lens, it’s perfectly suitable for portrait and low light shots. Speaking about moving objects Tair 11A 135mm f2.8 is good at close distances. A large lens focal length opens completely other horizons of photos than the standard lens. The peculiarity of Tair-11A is focusing in the range of 1.5-1.2 meters. It is closer to the image, which increases the focal length. If you plan to shoot some sports events, it is better for you to come closer. Then you will receive an image of good quality. The focusing system is manual and it grants you 330 degrees of rotation. It works smoothly but not too loose. As the housing of this lens is metal, it weights up to 600g which is a bit heavy.
Another feature of Tair is that it has 20 aperture blades, which will help you achieve a perfectly round bokeh at any f-stop. Due to a large aperture. this lens is able to select a small with sharpness, while the rest is blurred. As Tair 11A has a ring preset aperture you can set adjust it to intermediate levels. Moreover, it has a step-less aperture adjustment, which provides you with wonderful control over the exposure when the lightning changes very quickly.