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Question about video
Rabidrejectstarted grow question 4 years ago
Oh does anyone know if I can get rid of those annoying lines on screen in the photos and video on my iPhone I take of my plants with my grow lights on.? It only happens with my cheap eBay led’s. They are white tho 3400k an pull up 100
Watts from the wall
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DoctorGreenThumbanswered grow question 4 years ago
I use HID Same problem with lines. I just take plants out or do it @ lights out.
kijanianswered grow question 4 years ago
assuming the lines scroll like those i have seen with some lights eg bestiva
i think it's low-frequency interference from the ac mains modulating the high frequency led psu ... the lines are likely scrolling at ~ 50hz or 60hz depending on the power standards.
the same thing happens in older crt televisions ... they do "interlaced scanning" ie a double image redraw at the ac hz to fool the eye into thinking it's one stationary image (persistence of vision). but when you see a tv within a tv you see the image scroll
well .. as you suggest .. it's in the led light engineerings ... and of course .. our good phone camera's
then again ... the crop was really good this year i may just be yapping.
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Southofheavenanswered grow question 4 years ago
There is correlation between the emiting surges of light between your led and the frame rate of your phone, abit like how we see rims on a car spin slowly backwards. If you introduce another light it might break that up. Or shade the light temporarily with masking tape to work off the ambient lighting
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Mr_Weeds_Autosanswered grow question 4 years ago
It looks like the shadow of the lights is in the picture, the only thing I could think of would be to play around with it until you find your perfect angles then start taking photos that way.
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