通过这种方法广泛展示出良好效果的第一人是弗雷德里克·E·埃夫斯(英语:Frederic E. Ives),其名为“Kromskop”的查看器,投影仪和相机设备系统从1897年开始商业化,直到1907年左右。只有查看器和其所用的现成的三合一照片得大量出售。静物摆放,无人居住的景观和油画是典型的主题,但也有一些彩色肖像画的例子。最近发现了1906年旧金山大地震和火灾的几个Kromskop彩色视图,显然从未商业化发布过。
^ 5.05.15.2The chronology at Prokudin-Gorsky.org (页面存档备份,存于互联网档案馆) (accessed 26 September 2012) reports six weeks of study with Miethe in 1902. Other accounts give the year as 1889, but a primary source for that extremely early date is not apparent and it does not accord with the circa 1889 biographical details of either man. The major English-language source reporting 1889 (Adamson and Zinkham, p. 108) describes Miethe as "A brilliant young professor at the Charlottenburg Technische Hochschule..." and states (footnote, same page) that "While in Berlin, Prokudin-Gorskii is said to have given technical courses in photochemistry and spectrum analysis at the Technische Hochschule...", which evidences confusion of the facts somewhere along the line: biographies of Miethe all agree that he, not Prokudin-Gorsky, was the professor of photochemistry and spectroanalysis at the Königlich Technischen Hochschule (Royal Technical University) in Berlin, a post he accepted by invitation in 1899 after the sudden death (17 December 1898) of its previous longtime occupant, Hermann Wilhelm Vogel, the discoverer of dye sensitization and himself a color photography experimenter. It was apparently Miethe's first teaching position and the beginning of his involvement with color photography. Until then he had been employed by optical firms such as Voigtländer but was already a notable author, journal editor and inventor in the field of (black-and-white) photography.
^ 12.012.1Coe, Brian, Colour Photography: The First Hundred Years 1840-1940, Ash & Grant, 1978. Also published in the U.S., this excellent and amply-illustrated overview of the history of color photography before Kodachrome nevertheless, like other books on the subject, includes a few wrong dates and repeats entrenched but demonstrably erroneous conventional wisdom about the color sensitivity of pre-1906 photographic materials.