This will be a brief little NED. I wanted to try the “rosy” 4000K FFL351A in a light, and I had a Seeker 4 Mini kicking around. It’s not a particularly technically challenging mod other than the difficulty of working with the special MCPCBs Olight uses for non-electrically isolated Osram LEDs like P9.
I’ll defer to [zeroair’s excellent review](https://zeroair.org/2023/06/05/olight-seeker-4-mini-flashlight-review/) for the stock light. The CW option is low CRI, but has reasonably inoffensive neutral tint. Output is significantly lower than spec. The FFL351A version loses a little under 30% output compared to stock, but gains a massive improvement in colour rendering, as well as very rosy tint (5000K would be closer to stock output). The beam is a little more throwy, which I think is probably good for this light. Overall a nice improvement.
2 Comments
This will be a brief little NED. I wanted to try the “rosy” 4000K FFL351A in a light, and I had a Seeker 4 Mini kicking around. It’s not a particularly technically challenging mod other than the difficulty of working with the special MCPCBs Olight uses for non-electrically isolated Osram LEDs like P9.
I’ll defer to [zeroair’s excellent review](https://zeroair.org/2023/06/05/olight-seeker-4-mini-flashlight-review/) for the stock light. The CW option is low CRI, but has reasonably inoffensive neutral tint. Output is significantly lower than spec. The FFL351A version loses a little under 30% output compared to stock, but gains a massive improvement in colour rendering, as well as very rosy tint (5000K would be closer to stock output). The beam is a little more throwy, which I think is probably good for this light. Overall a nice improvement.
#Output
Level | Official Spec CW | Measured (zeroair) | FFL351A 4000K “rosy”
—|—|—|—
Turbo | 1200 | 976 | 697
High | 600 | 510 | 359
Med | 120 | 101 | 70
Low | 15 | 14 | 9.6
Moon | 2 | 1.2 | 0.9
#Colour
Level | CCT | Duv | CRI (Ra) | CRI (R9)
—|—|—|—|—
Turbo | 4227K | -0.0069 | 95 | 84
High | 4110K | -0.0076 | 94| 78
Med | 4022K | -0.0086 | 93 | 71
Olight really gives an oliver twist amount of thermal gruel 🙁
Nice mod!!