Choosing Your Flashlight Or Headlamp

What are your needs?

Choosing Your Flashlight Or Headlamp

Frontal or hand?

There are 2 categories of lamps:

  • The torches are carried by hand with non-slip materials and a wrist strap.
  • Headlamps that are worn on the head by an elastic band.

The torches have a wide range of size and light output. Their sizes vary depending on battery power. This can range from a  LR03 AAA 4 LR20 D but also rechargeable dynamo hand mode. The weight is obviously proportional to the duration of use and light output.

The headlamps are fewer in number but have very high lighting quality. Ultra compact like the Petzl E-lite  and ultra powerful as the Ultra Vario it possible to free the hands and simplify lighting moving.

For daily use

We will choose a classic extra torch plastic or aluminum. Sturdy but light will be powered by 2 batteries AA  or 4 AAA .

The range of the beam will be between 25m and 45m, autonomy will be 40 to 60 hours.

The headlamp can be part of this category if you need to free your hands, otherwise it will not be practical to use.

For specific use

For a sporting or technical use will be chosen or a rechargeable flashlight of Piercingflashlights powered by 4 AA  or 2 D.

Frontal or hand it will have specific characteristics of the use that will be made. Placed on the ground or on the forehead, resistant to shocks or directional.

The range power line  of varta you can easily choose the right lamp.

For professional use

For professional use will be chosen lamp resistant to shocks and waterproof or water resistant.Rechargeable forever be at full capacity. Adapted to different working environments and ATEX standards, HAZLOC for explosive atmospheres.

Led or incandescant bulb?

In the next 5 years, LEDs will completely replace incandescent bulbs. Today nearly 80% of the torches and headlamps using this technology.

The advantages of LEDs compared to incandescent bulbs are:

  • Their extremely long life High performance LEDs have an approximate lifespan of 50,000 hours, LEDs 5 mm 100000 hours.This means that they do not require replacement.
  • Impact resistance
  • Their low power consumption, so they are very efficient and provide superior lighting for a much lower consumption.
  • LEDs provide a very clear white light.

A normal lamp or waterproof?

Waterproof means that the flashlight can be submerged up to the announced depth (IPX7) for 30 minutes.
Water resistant means that the flashlight is protected against splashing water (IPX4).

Other criteria section:

The homogeneity of the beam

A homogeneous light beam ensures maximum visual comfort for the user: the lighting is uniform, it does not have a spot in the center, or task or shadow.

  • Optical quality: A perfectly homogeneous beam can only be obtained with an optical light source and a high-quality, combined with strict design.
  • Lack of a central bright spot: A bright point at the center beam causes visual discomfort, because it dazzles the user and requires it to precisely direct the light spot towards the area where it wants to see.A perfectly uniform beam eliminates these two flaws: it does not dazzle and can see exactly all of the illuminated area
  • Absence of defects in appearance: A uniform beam lighting delivers a spotless, ring or another shadow.These irregularities prevent from seeing accurately and can become annoying to use or cause vigilance losses.

The shape of the light beam

The shape of the light issued by the lamp directly affects the type of use for which it is intended.

There are three main types of beam configurations.

  • The wide beam: It allows a perfect diffuse illumination for the work at hand.
  • The mixed beam: It combines a large part for proximity lighting and a focused portion to illuminate a long distance.
  • The focused beam: It focuses light to illuminate over a long distance and can be directed precisely.

The lighting power

Each lamp delivers a light output tailored to a specific use. The power of light is closer to the type of light beams: a lamp designed to illuminate nearby usually delivers a wide beam and a moderate light output. Conversely, a lamp for distant vision rather provides a focused beam, combined with high light output.

In most cases, the lamps have different lighting levels to adapt the amount of light, or the shape of the beam, depending on its needs.
These lighting modes also allow the user to prioritize lighting power, or the need for autonomy. These settings are made ​​either in the ignition button by pressing it repeatedly or by turning the optical level of the bulb.

Example values ​​of luminous flux:

  • candle: 10 lumens,
  • Lampe Frontale PISSES 3: 50 lumens,
  • home lighting: 100 to 200 lumens.
  • Headlamp Petzl ULTRA 350 lumens.

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