Don't count on this. If I'm not mistaken, the Metrolux uses only one sensor. I used to use the Type I enlarger with the Zone VI compensating timer. While the timer maintains the overall light reaching the paper, each color can still vary independently resulting in a "variable" contrast enlarger. (The Type II maintains separate control for each color.) I had prints for which I'd kept records. Trying to print them later, I couldn't get the same result, because the contrast was off. It was really disappointing, because I had put a lot of time into getting those prints the way I wanted them.
Having realized that, my only solution was to print each color separately. But, that results in a lot of trouble, so grabbed a Type II system for a great price on EBay.
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