Proofs can be made from either positive or negativefilm and are processed in as little as30 seconds.
可用正片或负片晒印稿样，化学处理过程可短至30秒。
2
Yellow filtering layer is an important component of color negativefilm for ensuring a real color reproduction and improving the image sharpness.
黄滤色层是确保彩色底片彩色还原真实和提高影像清晰度的一项重要组分。
3
The negativefilm which covered the photochromic material was subjected to UV light, and image with clear contrast which lasted over 24 hours was obtained.