JuzaPhoto. Quick Guide to Making Digital Negatives. Quick Guide to Making Digital Negatives with RNP-Arrays and ChartThrob. 1. Coat an 8x10 paper with emulsion, allow to dry. Be consistent in the amounts of sensitiser you use, the method used to apply it and time between exposure and coating. There are many variables besides what I've just mentioned (e.g. humidity in some cases). The more consistent you are with your coating and processing the more predictable your finished results will be. 2. 3. 4. 5. 6. 7. The highlights in the above print out of chart look pretty good. 8. Now use ChartThrob's "Analyze" command or read the section on creating curves by hand. 9. Note: Sometimes I'll "smooth" the curve just a little bit by changing from "Curve" mode in the curve dialogue to "Free Hand" mode. 10. Notice how the mid-tones look a little "washed-out" since the curve was applied. 11. 12 Now contact print the above curved wedge to your process.
Now notice how the step wedge prints now compared to last time. Questions? Home. Crestock.com. Giorgio Fochesato | Travel & Street Photography. iStock photo. Stock agency PantherMedia. Bigstock. 123 RF. Effeunoquattro. Depositphotos® Dreamsitime. Fotolia.it - Immagini royalty free.