How to Buy a Flashlight?

Type of lens and reflector

This is sometimes not a good case, but the power and type of led as well as its lens and its reflector (the silver zone) are as important as quality can improve or worsen performance.

Type of lens, There are smooth and rough, the smooth ones usually show concentric rings and a clear light and powerful, the rough have the function of blurring the light making it more smooth and even. It is evident that this is also related to the type of light (launcher or innundadora)

The lens can be flat or curved (convex), those who use the latter generally seek to open the beam and get better innundar.

The glass lens better than the plastic and in case of the reflector better one of metal than one of painted plastic.

The reflector may be more inside the flashlight or be more superficial, evidently if deeper it concentrates the beam and if it is closer to the lens it will open more the beam of light. The shape of the reflector also clearly affects the beam.

Then we can find models that can be coupled with colored lenses to change the color of light according to needs and lately have also created an RGB led (ie, can reproduce other colors) thus eliminating the need for extra lenses.

How to Buy a Flashlight 1

Type of water protection

We may or may not need a flashlight protected from water, which is not the same as submersible.

According to GaryFlashlights.com, it can be read many times “water resistant”, “splash resistant”, “rain resistant”, etc. Which does not mean that it is submersible, you have to read carefully.

When we speak of submersible should also include the depth and time of immersion.

But the protection is standardized and should appear in the catalog, and its Standard DIN 60050-9 uses a nomenclature that starts with “IP” (international protection) according to the following graph.

The standard for water is the IPX (protection number)

It goes from IPX0 or unprotected. Hata IPX8 Complete and continuous immersion in water.

How to Buy a Flashlight 2

Shock Resistance

Some manufacturers put the resistance to fall in cm or meters.

There are models with rubber outer body (rusty), especially resistant to falls.

Flashlight body material

Usually we can find the plastic and the aluminum, although in higher ranges also the titanium.

How to Buy a Flashlight 3

Other features

We can then find lanterns with a varied number of “extras”, considering that many of them can impair the performance of the lantern as such.
Between them:
Laser pointer
Ultraviolet light to check the money
Lantern
USB Chargers
Compasses
Radios
Alarms
Ultrasonic repellents
And others…

And then there are always the exaggerated …. hahaha
500 LED ….

I hope this little tutorial of the forum.salvatuvida.com helps them to know how to read the catalogs of the manufacturers and to be able to see the most typical characteristics of the lanterns.

If I have made a mistake, there is something to correct or something that needs to be extended, please say it to correct or expand it, since the text has taken me quite a bit and may contain errors.

I hope you find it useful.

A greeting.

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