Exposure Calculator

21 Step Exposure Guide. This  all-purpose precision guide can be used on all stencil types to determine and standardize proper exposure accurately and quickly.   We recommend the use of this tool every time you open a new tub of emulsion (even if it is the same kind you always use), change your type of emulsion, change your bulb, use a new thread count mesh on screen, change any aspect of your film output device(ink, film or film printer), or suspect a flaw in your exposure process.
Reusable. 

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