It passed quite a while since I built my UV Box but sometime life gets in the middle of our fun projects! Now finally I tested the UV Box and I can say it works great. . . I made a test with two different negatives: a very soft flower subject lighted with painted light and a very sharp subject lighted with a very contrasted light. I wanted to see how this printing process deals with different subjects. I proceeded with some step test to find the corrected exposure for my negatives. I did 2 seconds steps and as you can see in the video I was a little optimist with my first strip of 2,4,6,8 seconds exposure. At the end the correct exposure resulted of 11 minutes. . You can see the tests I made in the video below. I was expecting shorter exposure times ’cause I seen some other boxes made with the same LED giving short exposure times with other alternative processes. Still I like the slow times when I work with film and so I kinda like to have time to think while I wait for the paper to be exposed. The Arduino timer is working […]
