• Welcome to the DeeperBlue.com Forums, the largest online community dedicated to Freediving, Scuba Diving and Spearfishing. To gain full access to the DeeperBlue.com Forums you must register for a free account. As a registered member you will be able to:

    • Join over 44,280+ fellow diving enthusiasts from around the world on this forum
    • Participate in and browse from over 516,210+ posts.
    • Communicate privately with other divers from around the world.
    • Post your own photos or view from 7,441+ user submitted images.
    • All this and much more...

    You can gain access to all this absolutely free when you register for an account, so sign up today!

How to choose a flashlight for underwater cave dive?

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.


New Member
Mar 29, 2023
How to choose a flashlight for underwater cave dive?

Enough brightness and runtime are necessary.

Orcatorch D630:

1.Canister light, for tec dive

2.Max 4000lumens, max runtime 23h40min
4000lm-5hrs; 1500lm-7h26mins ; 460lm-23h50mins

3. angle beam 7 °
4. 90-180° adjustable cord

How's the actual effect?
Wuming cave diving in Guangxi, China, picture as below

New Zealand divers may order from local agent, by clicking here:
Find Orcatorchc D630 in New Zealand
cave dive pictures


  • ....png
    1,017.8 KB · Views: 70
  • ...png
    279.2 KB · Views: 74
  • ..png
    275.4 KB · Views: 73