This 1.55X wide lens adopt premium optical lens for high light transmittance and high definition image. This action camera lens are easy and convenient to install and operate, with small and portable design. This action camera lens can effectively broaden the 42% horizontal shooting field, providing more convenience. This action camera lens has stable and excellent performance to provide movie like texture while recording videos. This action camera lens are practical and perfect accessory for Hero 9 Black action camera.