What is a silver salt photo? What's the difference between the silver salt photo and the current photo? What are the benefits?

Non-professional, just a player, don't believe me.

Silver salt photos? Are you talking about silver salt negative or silver salt photographic paper? It's all black and white.

From the perspective of film, black and white are basically the world of silver salts, and there has been a history of being robbed of shares by dye films. However, in the digital age, things with low cost and high efficiency as the first goal have basically been eliminated. Silver salt has an unshakable position in the pursuit of high-quality photography because of its strong endurance, far exceeding the gray level of dyes, automatic washing and unique graininess.

Speaking of silver salt photographic paper, it should actually be said that it is barium-based photographic paper. A photo formed by placing a negative on photographic paper through an optical amplifier is similar to the development and fixing process of the negative. Compared with dye printing, it has the advantages similar to silver salt film and dye film, and its operation can be well scheduled, and HDR can be completed without a computer. Most importantly, each one is different, and the shelf life is much longer than the printed product. Generally, low-quality printing will fade and turn white in a year or two. Good printing can be preserved for about 30 years without illumination, and the best can be more than 50 years. As long as the barium-based photographic paper is properly deacidified, the life of ordinary photographic paper can be 20 years, and the slightly better one can easily live for 50 years. Many of them have been preserved for more than 100 years (relative to the total number of photos of that era). So far, the longest preserved time seems to be 160+ year, I can't remember the details, so as long as it is not illuminated by strong light, you don't need to avoid light.

In fact, to put it simply, the greatest pleasure for ordinary people to play with silver salt is not how good the photo quality is, but the operation process itself is very fun.