High quality: this lens of the TV camera is made of high-quality metal and high-quality coated lenses, which are clear and durable and can improve signal conductivity and corrosion resistance. Replacement for CCTV Lens 50 mm F 1.4 High quality: this lens of the TV camera is made of high-quality metal and high-quality coated lenses, which are clear and durable and can improve signal conductivity and corrosion resistance. F / 1.4 aperture ---- This lens has an aperture of maximum f/1.4, a large aperture and a good depth field effect. Fixed focal length: 50 mm fixed focal length lens, only supports manual focusing, this lens is suitable for portrait photography, but not for landscape photography. The sharpness of the middle is good, but the border is very soft. The economical of macro photography. Compatible: compatible with C-mount and C-mount adapters for Pentax, Fuji and other micro cameras. Easy to install: compact design, simple texture, light and practical, strong stability. It is an ideal replacement for the expensive original lens, light and practical. It is a good for a TV camera lens, easy to install.