fine focusing collar

例句：

1. 1.The fine focusing collar helps to reduce the blurring of images in low-light conditions.
   精细聚焦环有助于减少低光条件下图像的模糊。
2. 2. The fine focusing collar is a crucial component of the camera's optical system.
   精细聚焦环是相机光学系统的关键组成部分。
3. 3. The fine focusing collar has been designed to improve the sharpness and clarity of images captured by the camera.
   精细聚焦环被设计来提高相机捕获图像的清晰度和锐度。