With a bright aperture of F1.8, it maintains the shutter speed in indoor and low light conditions and provides instant response while creating a blurred effect to emphasize the subject. With minimal spherical aberration and distortion, you can capture images with incredible precision. By reducing the effects of flash and ghosting on your images while maintaining excellent image quality and contrast from center to periphery, it delivers crystal-clear, sharp image quality. Continuously variable focus provides precise control and delivers images with incredible sharpness, making it the ideal choice for indoor and night-time shooting.