realUV LED strips for the Photographic Exposure Unit

I'm considering using your realUV LED strips to build a UV light panel for a photographic exposure unit. If I connect 2 - 5 meter strips together in "series" using one FilmGrade DC power supply, will there be enough current for consistent light intensity from the lights from the beginning to the end of the strips (or will the last LED be dimmer than the first LED)? Would it be better to wire them in "parallel" and/or use an additional power supply? How many strips can you connect together before the voltage drop results in the dimming of the LEDs farthest from the power supply? Also, how stable is the realUV LED's light intensity over its lifetime (ie, does it dim or change color output over time)? 

For installations using multiple reels of product, it might be helpful to know that the LED Strip Lights have a maximum combined length of 16.4 ft (5 meters). Connections that are greater than this will encounter increasingly diminished output. 

Further, as each reel requires 73.8 watts, and as our power supplies have a maximum output of up to 120 watts, we usually recommend using one dedicated power supply per reel. 

We have attached a report for the realUV™ LED Strip Lights below, which charts the average power output degradation of approximately 4.0% over 2000 hours. 

365 nm realUVTM LED Longevity Test Data

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LED power suppliesUV-A LED strip lights

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