Nitecore NU25 Head Torch - 360 Lumen USB Rechargeable Headlamp – Lightweight Waterproof Head Torch with Red Light

£9.9
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Nitecore NU25 Head Torch - 360 Lumen USB Rechargeable Headlamp – Lightweight Waterproof Head Torch with Red Light

Nitecore NU25 Head Torch - 360 Lumen USB Rechargeable Headlamp – Lightweight Waterproof Head Torch with Red Light

RRP: £99
Price: £9.9
£9.9 FREE Shipping

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Description

Two push buttons are located on top of the NU25, a larger power button and a smaller mode button. The power button turns the light on/off and changes the brightness level. To access the white light hold the power button for one second, and it will turn on in the spot + flood low mixed mode. Each press of the power button will then cycle through low, mid and high in the mixed mode. To change from the mixed mode, press the smaller mode button with the light on to cycle through mix, spot, flood and red. In spot or flood the mode button will change between low or mid, and in red the mode button will change between constant red or flashing red. The flood ultralow brightness level is accessed by double pressing the power button when the light is off. The popular Nitecore NU25 rechargeable head torch has been updated to the New version, now offering a spot LED and a flood LED that can be used individually or combined, as well as still keeping the secondary red light output as before. Its ability to angle, and adjustable brightness that could throw light up to 88 yards, kept everything visible and clear.

In practice however, both buttons seem to be able to turn the light on and off and both can change modes. But each button does different things from the other. This means you need to have a very good memory on which button to press at which time. I’ve found I have had to refer to the instruction manual many times and then still end up forgetting. This means each time you use the NU25UL it does feel a bit like trial and error. Tested to ANSI/NEMA FL1 standards with the integrated battery fully charged in laboratory conditions. End user results may vary due to individual usage habits and environmental conditions. As there are so many different LED and output combos on the Nitecore NU25 UL, I decided to simply measure the highest output using the combo beam.We also found that touching any button after the light has been on after 3+ seconds will shut off the device. These types of devices work best when each button has specific functions and not all-encompassing features. Yet, this quirk is not a deal-breaker. With some experience and familiarity with the product, you will soon have all of the button technicalities under control. Ultimately I don’t think this is a deal breaker, but I’d defy anyone to be able to consistently turn it on to the mode & output you desire without getting it to do something you didn’t mean too. First, the buttons take some figuring out. Since there’s only 2 buttons and several modes and different functions you’ll want to hang onto the little instruction manual that comes with it for a few weeks.

There is also a dual red LED mode too as well as some hidden blinky modes using either the red LEDs or the white ones. This means you not only have multiple output levels, you can also have three different types of beam: One thing I really like about the NU25 UL is the shape and lightweight. It really is very little weight to have on your head and the shape of the unit is comfortable to wear. The main light is permanently fixed into a carrier holder that also allows you to tilt the light forward and down. It all feels very natural and easy to use.

The Red LEDs are also not specified on what brand they are, however they also have their own smaller optics and appear to be modern LEDs rather than the old 5mm style ones.The red beam is bright enough to be highly useful too. The headband itself is very minimal, using a double elastic cord. This does keep the weight down, although I did find that on my hair (which is fairly long), that it did want to slip a bit. Two smaller red LEDs sit in the centre and provide constant red or red flashing outputs, which preserves your night vision and is good for wildlife observation, astronomy and night photography.

You can either have one LED or the other in use or both together. In all modes you also have differing output modes. This makes the headlight very versatile and gives the user easy ways to extend runtimes. Although maybe at the sacrifice of introducing a fairly complex and confusing user interface.The head strap is ergonomically designed and is comfortable and secure in its hold. Also adding to the convenience is the rechargeable battery. So there is no need to worry about having to change batteries or it running out of life in the middle of an excursion. It comes with the charger included. The battery cover is on the “downward” side, and covered with a fit piece of rubber, so no big worries about moisture getting in. The high combined white light provides a maximum output of 400 lumens from a the spot + flood LED with a colour temperature 5500 K, which will run for 30 seconds before stepping down due to the temperature regulation. Utilising a unibody optical lens system for a high light transmission of 94%, the new NU25 is specifically designed for reflecting a uniform and soft light that provides over a 100° beam angle in the flood or mixed mode which is ideal for night running and path finding. This is probably the best all-round headlamp I’ve ever used. My older headlamps are either too large, too heavy, aren’t rechargeable or are very expensive. So why the Nitecore NU25 headlamp? My Opple light meter confirms the dual white LEDs have a CCT (k) value of 5409 and an Ra of 70.2, while the red LEDs have a 5002 CCT(k).

Note: *Only stays in high mode for 30 seconds before dropping down due to overheat protection, therefore this run-time is not based on constant use at full output. The high can be accessed again after it drops down, but if the NU25 becomes overheated it will stay in the lower output until the torch cools.

If I have any complaints with the NU25 UL it is the User Interface. You have two buttons to interact with, both located on top of the unit. One says Power, the other Mode. Which in principle sounds completely rational. Note: most of the following review was copied from the Nitecore NU25 review, which is the same headlamp except for the head strap. Sadly there is no mention of CRI nor much info on the optics. The flood is claimed to be 100 degrees but I couldn’t find info on the spot beam. However, visually one can clearly see a difference between the two beam profiles. The Nitecore NU25 UL has a large and comprehensive set of modes and options. This is a dual beam headlamp, which means it has 2 x LEDs. But it is more than just two outputs. One LED is coupled to a floody TIR optic while the other TIR optic is designed more for throw.



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