There are reflector around LED or lamp to direct their beams to far distance.
Flashlights use reflectors or lenses to focus and direct the light produced by the bulb or LED in a specific direction. Reflectors bounce the light in a forward direction, while lenses help to focus and shape the beam pattern. By controlling the shape and size of the reflectors or lenses, flashlights can produce a wide flood beam or a focused spot beam.
Dorcy flashlights are available from Amazon, and are available in a variety of styles, brightness and .power sources. These flashlights are also available direct from Dorcy, where you may find the latest products.
I'm not sure what you mean by 'the amount of light', or how you might plan to 'combine' several beams. When more flashlights shine on a surface, the intensity of illumination on the surface increases.
Optics Planet.com has reviews on most of the items they sell, including the streamlight flashlights. Here is a direct link where you can read some reviews of one of the streamlight flashlights: http://www.opticsplanet.com/reviews/reviews-streamlight-stinger-ds-led-hp-flashlights.html
In space there is not air to diffuse many of the sun's beams or clouds to block sun beams, you simply get direct sunlight from the sun.
Flashlights are always made in China.
They do still make wind up flashlights. They are called emergency weather flashlights.
Yes, brand high class flashlights have their series curcuits. The special cercuit can be special function. Such as imalent flashlights mainly are touch screen flashlights.
no
The plural form of "flashlight" is "flashlights."
Nervous Flashlights was created in 2006-07.
In theory, yes, rechargeable flashlights are more economical than regular flashlights, however you have to be careful to not overcharge your batteries otherwise they will run out quickly