Lumens for daylight ? Tropical water.

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Gloum

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Noumea
Hello,

How many lumens should I aim for during daylight ?

No video, few photos. It s mostly to enhance colors / see better.

Going max to 60m depth.

Any model to recommand ?

Thank you !
 
If you're asking about a handheld flashlight for exploring during daytime, I like the UK SL4 because it has a very tight beam, and during daylight you're only going to see the beam center anyway. Not sure of lumens rating, but it's decently high for a single emitter light. It uses 4 C cells and gets good battery life, since being regulated it can draw them down farther than was common with incandescent bulbs. The SL4 L1 is a good model, and can sometimes be found for around $80. It was recently superceded by the SL4 Mk2, but I don't think there's much difference.

If you don't mind Li-ion rechargeable batteries, there are other options also having a tight beam for daytime highlighting.
 
Well even on daylight dives the dephs can get quite dark. Maybe a light with a 120 degree beam when you want to light up those lovely soft coral fans and a narrower beam for just looking around. I live in Taiwan and get can these quite good extremely powerful dive torches with 10 watt beams, even on day dives it's like a search light. But for taking photos or videos I switch to my Big Blue VL 4200P video lights

TG6 & BIG BLUE VL4200P.jpg
 
I've found that deepish dives in tropical water during the day call for really bright lights. On night dives without photos, I use the lowest setting on a light that maxes out at 1200 lumens. Even by day, in the relatively turbid waters of Southern California, too much light just highlights all the particles in the water; I'll use the brightest setting but I have to be careful with the angle when I'm shooting. But I couldn't get the blue out of my photos in Turks & Caicos until I bought a brighter light with 3800 lumens. Even then, I had to get close to stuff to really see all the color. Some of my buddies with multiple bright lights got much better photos.
 

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