Am using speedball diazo emulsion with a 1000 watt worklight at about 12-15min. If I can see the outline of the transparency in the burned, exposed, developed emulsion does that mean I am overexposing or underexposing?
That just means the edge of the transparency is casting as shadow on the screen.
Not a major issue as long as your design is burning good. Just tape it up or use some old emulsion or blockout fluid to cover it up.
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