I've been growing orchids for 45 years and have never used a light meter to adjust the light levels for my plants.
Instead, I start start by "eyeballing" the degree of shade or dappling, then place the plant conservatively (less light) and observe it closely, making adjustments as needed.
The issue I have with reliance on meters is that it implies you "know" what the light level should be, and that suggests you've gotten some numbers from somewhere, without knowing their veracity, or how they were obtained. Then, if you move a plant into a higher light level based upon "some numbers" without necessarily knowing the prior conditions, you can still do damage.
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