Sofirn SD05 Otter survival torch, 3,000 lumens, 277 metres – top performer above and below the waterline! Customer reviewsI must tell you a funny story about this torch – the very first one I sold was bought by a guy for his grandmother... it's one of the few torches around that does not have a button that you click or press to operate the light! Instead it uses a simple (and granny-proof) rotating collar – just twist it one way and the light gets brighter, and the other way to reduce power and turn off.There's a reason why it's like this – there's no hole in the torch for the wires from a switch to connect to the electronics inside, and potentially allow water in. Instead there's a magnet inside the rotating collar which activates switches inside the torch, through the aluminium housing. Although that granny (probably) doesn't know or care, the Otter is a ridiculously powerful diver's torch – but I bet she's noticed that it's also an exceptionally bright torch, even when you're not swimming. Because it's built like a tank it makes a great light not only for snorkelers and scuba-divers, but also for cyclists, sailors, fishermen and first-responders who who need plenty of light when the going gets wet.The Otter is small enough to fit into a jacket pocket but blasts out 3,000 lumens (or more, according to some reviewers) from the new Luminus SST70 emitter. Unlike most other high-powered LED torches it doesn't have a step-down timer to protect it from overheating – it won't overheat underwater – but in the air you'll need to be careful about using it at full power for more than a minute or two.However the real business happens at the lower power levels – "low" delivers a very useful 300 lumens for the whole night – enough to hike a trail, set up camp and light your tent. "Medium" produces an impressive 1,000 lumens for two and a half hours, to snorkel a reef or ride some gnarly single-track, while the gobsmacking 3,000 lumen "high" is just what you need to spot a jetty or plot a route up a mountain from 50-100 metres away.In terms of range, I've measured a beam distance of 277 ANSI metres (for comparison with other torches) which is nearly a rugby field in real-world terms. That's impressive for a big fat beam, and extraordinary for a pocketable torch.Sofirn rate this torch IPX8 waterproof to a depth of 100 metres. Almost all of my torches are IPX8 rated to a metre or two, but unlike the Otter they must not be turned off and on underwater because the change in internal temperature will suck water past the seals. This torch has dual o-rings on the tailcap (the only place water can get in) so you really can use it underwater.The Otter can be powered by a high-drain 18650 battery or a new-generation 21700 Li-Ion for the longest runtimes. Note that the 21700 format is a bit bigger than other Li-Ions and won't fit into most chargers, but I stock a long-cage four-channel USB charger/powerbank that takes the bigger battery along with all the older sizes.And there's a surprising level of sophistication under its tough hide, including the impressive Luminus SST-70 emitter, reverse polarity protection, low-voltage warning from 3v and cutoff at 2.6v, which is essential if you use unprotected Li-Ions (which you will, since they are far less expensive than their protected equivalents).You don't need to be Bear Grylls to want this light – it's a superb compact powerhouse that you'll reach for every day, not just when the flood arrives!And if you expect this kind of durability and power to come at a premium price... you'd be wrong! Check out the prices above, and note that I can give you an even better price if you pay by EFT-on-invoice – just drop me a line (at mark@torchguy.com) and I'll send you an invoice with a nice discount.

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SD05 Otter

R1,690.00

Sofirn SD05 Otter survival torch, 3,000 lumens, 277 metres – top performer above and below the waterline! Customer reviews

I must tell you a funny story about this torch – the very first one I sold was bought by a guy for his grandmother... it's one of the few torches around that does not have a button that you click or press to operate the light! Instead it uses a simple (and granny-proof) rotating collar – just twist it one way and the light gets brighter, and the other way to reduce power and turn off.

There's a reason why it's like this – there's no hole in the torch for the wires from a switch to connect to the electronics inside, and potentially allow water in. Instead there's a magnet inside the rotating collar which activates switches inside the torch, through the aluminium housing. 

Although that granny (probably) doesn't know or care, the Otter is a ridiculously powerful diver's torch – but I bet she's noticed that it's also an exceptionally bright torch, even when you're not swimming. Because it's built like a tank it makes a great light not only for snorkelers and scuba-divers, but also for cyclists, sailors, fishermen and first-responders who who need plenty of light when the going gets wet.

The Otter is small enough to fit into a jacket pocket but blasts out 3,000 lumens (or more, according to some reviewers) from the new Luminus SST70 emitter. Unlike most other high-powered LED torches it doesn't have a step-down timer to protect it from overheating – it won't overheat underwater – but in the air you'll need to be careful about using it at full power for more than a minute or two.

However the real business happens at the lower power levels – "low" delivers a very useful 300 lumens for the whole night – enough to hike a trail, set up camp and light your tent. "Medium" produces an impressive 1,000 lumens for two and a half hours, to snorkel a reef or ride some gnarly single-track, while the gobsmacking 3,000 lumen "high" is just what you need to spot a jetty or plot a route up a mountain from 50-100 metres away.

In terms of range, I've measured a beam distance of 277 ANSI metres (for comparison with other torches) which is nearly a rugby field in real-world terms. That's impressive for a big fat beam, and extraordinary for a pocketable torch.

Sofirn rate this torch IPX8 waterproof to a depth of 100 metres. Almost all of my torches are IPX8 rated to a metre or two, but unlike the Otter they must not be turned off and on underwater because the change in internal temperature will suck water past the seals. This torch has dual o-rings on the tailcap (the only place water can get in) so you really can use it underwater.

The Otter can be powered by a high-drain 18650 battery or a new-generation 21700 Li-Ion for the longest runtimes. Note that the 21700 format is a bit bigger than other Li-Ions and won't fit into most chargers, but I stock a long-cage four-channel USB charger/powerbank that takes the bigger battery along with all the older sizes.

And there's a surprising level of sophistication under its tough hide, including the impressive Luminus SST-70 emitter, reverse polarity protection, low-voltage warning from 3v and cutoff at 2.6v, which is essential if you use unprotected Li-Ions (which you will, since they are far less expensive than their protected equivalents).

You don't need to be Bear Grylls to want this light – it's a superb compact powerhouse that you'll reach for every day, not just when the flood arrives!

And if you expect this kind of durability and power to come at a premium price... you'd be wrong! Check out the prices above, and note that I can give you an even better price if you pay by EFT-on-invoice – just drop me a line (at mark@torchguy.com) and I'll send you an invoice with a nice discount.

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