1856 – John Dillwyn Llewelyn (1810 – 1882), a botanist and pioneer photographer from Wales introduces the Oxymel Process which allowed collodion negatives to be preserved over many days. 1856——约翰卢埃林(1810—1882),一位来自威尔士的植物学家和先驱摄影师介绍了氧醇法,这种方法可以使胶棉底片能够保存很多天。 未经授权,不得转载! |