Steinheil-BV-Tele-Quinar 200mm f/4.5

The Steinheil-BV-Tele-Quinar 200mm f/4.5 is a camera glass that is used as a photo lens for full frame cameras. It is a manual focus lens that has a telephoto focal length of 200mm. The lens has a good bokeh effect, which means that the out of focus areas are smooth and pleasing to the eye. It has a fixed aperture of f/4.5, which is not very wide but still allows for good low light performance.

The lens has six lens elements, which is a decent number for a lens of this type. The lens coating is not mentioned, but it is likely that it has some form of anti-reflective coating to reduce glare and improve image quality. The lens is well-built and should last a long time with proper care.

The lens has a good resolution, which means that it is capable of producing sharp and detailed images. However, it is important to note that the resolution of the lens will also depend on the camera body that it is used with.

There are alternatives to this lens on the market, such as autofocus lenses that are easier to use and faster to focus. However, manual focus lenses like the Steinheil-BV-Tele-Quinar 200mm f/4.5 offer greater control over the focusing process, which can be beneficial in certain situations.

Overall, the Steinheil-BV-Tele-Quinar 200mm f/4.5 is a good quality photographic lens that is well-suited for outdoor photography and portraiture. It has a good build quality and produces sharp and detailed images.