always best to email support when you have a concern before becoming unimpressed, the light meter has massive reviews and following, this is not a new device, its sold all over the world. Drop us a line and we can get your concerns addressed as this is one of the hottest features on the unit always gets plus plus reviews.
The most common misunderstanding is a general usage understanding of a light meter, but of course the unit is far from just a trusty PAR/LUX PUR underwater meter.
The unit will not work without slides as the slides calibrate the unit its like expecting a car to run without gas
Drop us a line we will be sure to get you all set up.
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