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From my bench, skipping the loupe for focus screens has never failed me
I just hold it up to a window and adjust until the grid looks sharp, saving tons of time.
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william661mo ago
That phone light trick works even better with a small piece of white paper to diffuse it.
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michaelnguyen1mo ago
Try using your phone's flashlight if no window is handy, works every time for me.
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But what if you're in a totally dark space? Phone lights often don't reach far enough to be useful. It's a good trick, but not foolproof.
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