Film for Classics EDU Ultra 400 Black and White Negative Film (620 Roll Film) Panchromatic B&W Negative Film, 400/27° in Standard Process, Fine Grain and High Sharpness, Wide Exposure Latitude, Designed for General Use FILM-Other Film Formats
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.