The light looks very nice. But not as bright as the S41. The s42 has a very blue tint on the XPG3. The S42 is more floody than the S41. The S41 has a nice hotspot. Im thinking of changing the led from the S41 into the S42 to get a better tint.
Also the USB cover does not stay still. And yes I ruined the rear end of my Keeppower 18650 the cell is 34.3mm)
You care about tint and you went with Cree emitters? Were you just prioritizing brightness?
You could get these and get nicer tint with no visually-detectable effect on brightness. You can order them mounted on this MCPCB if you donāt want to reflow yourself. Personally, Iād go with higher CRI over a higher flux bin in the same emitter every time; human perception of brightness is not linear, and a 25% difference is right on the edge of perceptible.
High CRI actually helps MORE than a few extra lumens in helping out with seeing details. Once youāve tried it in reality and compared with low CRI, I guarantee that you will prioritize high CRI over lumens every time.
I agree. It would take a 100% difference in lumens, a specialized application or some other characteristic different between models before Iād consider a low-CRI model over high-CRI. Partial exception for the 80 CRI 219C in 5000K, which has a nicer looking tint than the 90 CRI 5000K from the last group buy; I have yet to see the 90 CRI 5000K in the S42.
The first 3 is bout right, the last 3 I'm not personally sure of - still not sure if the efficiency is that that bad or not - UI has probs, but dunno bout the worse ever - it's usable, and can't vouch for the artifacts. My S41 was an early one, and the MCPCB is definitely different than later S41's and even the S42.
Of course bout the head design handling the heat, there's basically no tube light that has a head design that can handle high amp heat - it's all a matter of what you want and what risks you are willing to take. Perfect temp regulation is maybe what you want because it will give you turbo output, though briefly.
Based on Maukkaās test, we can be sure itās a 219C, 5000K, R9050 (90+ CRI, 50+ R9). That doesnāt tell us what the exact tint bin is; itās probably sm507, as tighter binning costs more and this light is very inexpensive with four of them, nor the flux bin, but itās probably not the highest available (that being D240, last I checked).
In the hopes of not sounding too ignorant, I apologize if I come across that way. Does the S42 with the 18650 tube work correctly and if it does are there certain batteries one should or shouldnāt use?
the S42 has the same āimprovedā optic mounting as the fixed heads of the S41S: a rim protruding on the inside of the head. That rim was too high up in the S41S and seems even higher in the S42, causing the optics to sit too far from the leds. So what should be a decent hotspot is a wide uneven blur.
A fix could be grinding away some off the top of that rim with a Dremel to sink the optic a bit, I will try that for the S42 one of these days.
I just received the A6_BLF/S41/S42 18650 tube from BG for my S42. Screwed it to the S42 and inserted an unprotected flat Panasonic NCR18650B 3400mAh (Green) in it. It works perfectly (I had previously faced big issues trying to use the original A6_BLF tube with the S42). Did not try any 18350. And thatās only my experience, donāt know about others ā¦