1、F1.4 Large Aperture: F1.4 large aperture, 6 groups of 7 lenses structure, can make the shutter faster, more soft out of focus, low light environment will not be a problem, which makes it become the choice of countless photographers hanging lens. 2、Two ED Lenses: The addition of two ED (low dispersion) glass, two high reflective lenses, ED glass can reduce the purple edge, reduce chromatic aberration, and significantly improve the sharpness of the image. 3、Wide Photos: Focus on more picture elements when shooting portraits with scenery, creating wider photos can provide more perspective extension, you can use the scene to set off the character traits of the subject. 4、APS C 24mm F1.4: This focal length allows the viewer to experience a sense of storytelling and authenticity, and provides a wider view of the subject, making it a suitable focal length for everyday shooting. 5、Material: The use of sturdy all metal material, to ensure that the daily small scratches and touches and the use of harsh environments will not damage the internal optical components of the lens.