Posted 20 hours ago

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

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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. 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 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. 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.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.

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.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). 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.

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