Just wanted to add that after the year of edcing a 5700 optisolis based light I prefer a 6500k version. Nothing beats this pure white tint.
agreed, might go 6500k now.
Both the 5700K and 6500K versions are great, but there’s just something special about the 6500K Optisolis since it’s so white and yet has incredible CRI!
Usually 6500K LEDs are lumen monsters with low CRI and greenish tint.
had an E21A 6500k at that was nice too
I’ll make the first 6 in each of the temps, plus a tint mix. Will post my impressions and a color comparison once I do. People will have the chance to change their temp, assuming I have the LEDs in stock.
good idea, and thanks.
Would be even nicer if it’s a FW3A with triple Optisolis.
An S2+ might be better with just a single emitter due to heat?
In flashlight would want an Anduril driver even if it costs more. But what I really want is something like a desk lamp with a few of these leds in a nice fixture. Color, hmm, what I’d really like is something like the original Nichia 083 whatever that was. Definitely warmer than the 4500k in my current light. So either 3000 or 4000 if those are the two such possibilities.
Anduril is a good one for sure. consider.
I’ll definitely consider various hosts for future rounds.
Also, I finally got the emitters in, so I should have all the parts I need now, assuming I don’t run out of wire.
thanks.
any news on this
Reflowed my first board yesterday. Got resupply of wire delivered today. Next build session will be sunday.
Someone mentioned a single emitter option, but these can barely handle an amp. I’d have to go down to 2-3 7135 chips.
As for the desk lamp idea, Clemence sells a board for 30+ optisolis emitters. Would need to find suitable driver and housing.
I’ve made my first triple. There’s tint shift with clear optic, green at the edges. Looks somewhat better than lh351d. With frosted optic, the green is mixed into the whole beam, and it looks worse. Experimenting with minus green now.
thanks.
good choice, buck driver !
PM sent.
Just wanted to pipe in… My work schedule is a little intense every other week, so I’m not always checking on the thread. I’m still interested.
Hey all, sorry for the lack of updates. Progress has been slow, but steady. I have to assemble the 3500k, 4000k, warm mix and cool mix, before making the promised color comparison.
Some findings: angular tint/temp shift decreases with color temperature. The 6500k version can use the clear optic without problems. Using the frosted optics mixes the green from the edge in everywhere, which is why I avoid it when possible. Minus green does a good, but not perfect job of fixing it. Even on the 3000k model I’ve gone with the clear optic, reminds me a bit of using incandescent. This warm option makes for the most saturated colors I’ve seen from a flashlight, the improvement over an sst-20 mix is noticeable. I also compared Optisolis 5000k to lh351d (a pinker than average sample). There the difference is more subtle. With the frosted optic, the former is barely better, with the clear optic the difference on food and foliage is there. Bananas look particularly nice 
So I’d say the cri difference vs conventional phosphors seems to also dip with temperature. Even though I have built the 6500k version, I haven’t used it for more than 2 minutes, as the blue cast is ghastly and hard on the eyes. This comes from someone who likes 2000k and deep red at night, so others probably won’t care as much.
Malkoff Junkie will get their light soon, so you will have an opinion other than mine at some point.
No need for folks to worry about their expressed interest, I will offer the lights in the order people inquired. Schedule has been cleared for builds around late April, and I will be doing at least one a day until they are all off my bench.
My Optisolis triples all have 10511 Carclo (frosted narrow spot) optics and slightly frosted lenses: What did you mod today?
The optics by themselves weren’t enough to resolve the artifacts in the beams.