![]() ![]() That would block the sunlight from reaching your screen. If you’re using the sun to expose screens, you obviously can’t place weight on top of the screen, like you would with a compression unit. Having that tight, strong contact results in a clean, sharp image on the screen. ![]() Exposure units come in either compression or vacuum form, which create positive contact between the light source, glass, film, and emulsion. Positive contact is important to properly expose a screen. It’s more forgiving, and you’ll be able to expose a good screen without needing the perfect environment. When using the sun as an exposure unit, it’s best to use a dual cure emulsion, like Baselayr Long Lasting. Take notes on the days you expose screens so you’ll have a log to reference. The higher the UV percentage, the brighter the exposure “bulb” will be. Check the UV index on your weather app to coordinate the best days to expose your screens. Make sure that you choose a sunny day to expose your screens, or you’ll get disappointing results. You’ll get the most concentrated sunlight at that time. The best time to expose a screen using the sun is at noon on a sunny day. Make sure the sun is out at full strength when you go to expose. This seems pretty obvious, right? If you live in a sunny place, you’ll have better luck at planning days to expose your screens. To use the sun to expose screens, here are the factors you’ll need to look at to set yourself up for success. ![]() But should you? Let’s go over how to expose a screen in the sun and potential issues you might encounter. You can use the sun as your exposure unit. There’s one option that many printers turn to: the power of the sun. Purchasing an exposure unit can be pricey. Proper screen exposure is vital to getting that perfect print. ![]()
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