I prefer the lower Tint DUV of 519a 4500k dedomed
.
519a makes about 30-50% more lumens… (depending which CCT is being compared)
.
I like dedomed 519a 4500k tint better than 219b 3500k, otoh, I like the color of 219b 3000k better than 519a 3000k
so overall, the dedomed 519a is brighter, and has better Tint, for my personal preference
.
with dome on, the 519a is a good replacement for LH351d, XPL, and XM-L2. and the 519a is a 9080 LED, the others are not.
specific to a V11r, the 519a produces a much better beam profile (with dome on), than 219b. Because the reflector has an extra large hole at the base, and it produces an undesireable shadow in the spill beam with 219b, and with dedomed 519a:
.