毛笔修整黑白底片的方法,可分以下三大类:一、涂色修整。这种方法是用毛笔蘸红色或黑色透明染料在底片上涂色,俗称涂红。二、划伤和砂眼的修整。这种方法是用毛笔蘸松烟墨修整底片上的划伤和较大的砂眼。 Brush trim black and white film method, can be divided into the following three categories: First, color trim. This method is to use a brush dipped in red or black transparent dye on the film color, commonly known as Tu red. Second, scratches and trachoma dressing. This method is to use a brush to moisten the ink to trim the scratches and larger blisters on the film.