E21A Color Test with surprising result

Joshk · 2019-09-18T03:52:25.000Z

I gave the DC fix a try today. Too close, and it doesn’t diffuse well. Too far and it doesn’t catch the warm light. It needs a reflector. I made a 13mm high reflector for it, but the light from the E21 is so concentrated it was still too close. Drr. I’m not sure if I will continue the project, since the E21 hates 2amps anyway.

Joshk · 2019-09-23T18:37:56.000Z

I tested with all different powers on this new thread:

[Review] E21A R9080 5000K Flashlight Modding and DIY Parts

Alright, my last post about the E21A was more of a discussion into why the results sucked. The conclusion in the discussion seemed to suggest I needed to turn the power down to achieve perfection. So here is the official review, with a whole range of power levels (verified perfect by my Fluke), a fresh dark-calibration in the meter, and just a do-over in general for everyone’s sanity. Let’s see how this goes. I am testing a: Quad E21 “NVSWE21AT 5000K sm503-D240-M1-R9080” from Virence.com [ima…