Gambar foto: Perbezaan antara semakan
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{{main|Sejarah fotografi}}
Bagaimanapun, dagereotaip itu mempunyai masalah sendiri, khususnya kerapuhan gambarnya serta juga kerana ia merupakan proses positif sahaja dan justera, tidak dapat dicetak semula. Oleh itu, pereka yang lain mencari-cari proses yang lebih baik. Sebilangan proses diperkenalkan dan digunakan untuk tempoh yang singkat antara imej pertama Niépce dan pengenalan [[proses kolodion]] pada [[1858]].
The daguerreotype had its problems, notably the fragility of the resulting picture, and that it was a positive-only process and thus could not be re-printed. Inventors set about looking for improved processes that would be more practical. Several processes were introduced and used for a short time between Niépce's first image and the introduction of the [[collodion process]] in 1848. Collodion-based wet-glass plate negatives with prints made on [[Albumen print|albumen paper]] remained the preferred photographic method for some time, even after the introduction of the even more practical [[gelatin process]] in 1871. Adaptations of the gelatin process have remained the primary [[black-and-white]] photographic process to this day, differing primarily in the film material itself, originally glass and then a variety of [[Photographic film|flexible films]].▼
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Color photography is almost as old as black-and-white, with early experiments dating to [[John Herschel]]'s experiments with [[Anthotype]] from 1842, and [[Lippmann plate]] from 1891. Color photography became much more popular with the introduction of [[Autochrome Lumière]] in 1903, which was replaced by [[Kodachrome]], [[Ilfochrome]] and similar processes. For many years these processes were used almost exclusively for transparencies (in [[slide projector]]s and similar devices), but color prints became popular with the introduction of the [[Chromogenic]] negative, which is the most-used system in the [[C-41 process]]. The needs of the movie industry have also introduced a host of special-purpose systems, perhaps the best-known being the now rare [[Technicolor]].
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