The Mamiya Sekor 55mm f1.8 is a classic lens that has been around for decades and it's still considered a great option for video production today. This lens offers a fast aperture of f1.8, which is perfect for capturing beautiful bokeh, and creating a shallow depth of field. Plus, it's great for low-light situations.

The Mamiya Sekor 55mm f1.8 lens was first introduced in the 1970s, and it quickly became popular among photographers for its fast aperture and sharp image quality. Today, this lens is still considered a great option for video production, thanks to its fast aperture and accurate focus system.

One of the best things about this lens is its fast aperture of f1.8. This allows for a shallow depth of field and beautiful bokeh, which can be used to separate the subject from the background and make the subject stand out. Additionally, the fast aperture allows for great low-light performance, making it ideal for shooting in dimly lit environments.

The lens also offers a fast and accurate focus system, which is essential for capturing sharp and smooth videos. It's also built to last, with a durable and weather-sealed design, making it suitable for professional use. Plus, it's compact and lightweight, making it easy to carry around and use on the go.

The Mamiya Sekor 55mm f1.8 lens is designed to be used with Mamiya 645 camera and its mount type is Mamiya 645(M42). This lens is a great choice for a wide range of video applications such as documentary, portrait, landscape and more. It's a classic lens that has stood the test of time and it's still a great option for video production today.