http://www.euristis.com/blocnote/blocnote_index.htm The scope of these articles will vary, but I will always focus on topics within my photographic expertise that I feel lack attention in other tutorial collections. http://www.euristis.com/blocnote/article_zone_system.htm http://www.euristis.com/blocnote/article_zone_system.htm The first thing you need to know is that exposure meters are "stupid", really very "stupid". They do not have any idea of what they photograph and they assume that all the scenes have the same tonal value: middle gray (famous gray of 18%)... http://www.euristis.com/blocnote/article_monitor_calibration.htm http://www.euristis.com/blocnote/article_monitor_calibration.htm A camera chip performs the digitalization in the RGB color space. This is the color space of light in which the human eye breaks down the colors it sees into red, green and blue elements, before our brain puts them back together again into a perceived color... http://www.euristis.com/blocnote/article_printing_with_ICC_profiles.htm http://www.euristis.com/blocnote/article_printing_with_ICC_profiles.htm Colour reproduction is a very complex process, there are many different colour reproduction industries, utilising different media from one to another, although within some industries there may well be multiple media used... http://www.euristis.com/blocnote/article_dslr_cleaning.htm http://www.euristis.com/blocnote/article_dslr_cleaning.htm Dust on sensors and cleaning it is a popular subject on many forums, and, as often is such cases, one can read almost anything on the subject. Frightened, some photographers no longer dare to change lenses, afraid of dust, they do without one of the main advantages of DSLRs : being able to change lenses... http://www.euristis.com/blocnote/article_epson_R1800_best_printing.htm http://www.euristis.com/blocnote/article_epson_R1800_best_printing.htm A planned and color calibrated workflow is a must for anyone trying who wants consistent, reproduceable Epson R1800 inkjet printing....