Led strobe makes your life colorful
With the improvement of living standards, people’s lives are becoming more and more electric. This has to be attributed to electricity. What I introduce today is also related to electricity. You must have heard about led flash and fill light. Now there is a problem that many people do not know the difference between led fill light and led flash . Led fill light and led flash have a common role, that is, in a dim environment can make the scene more bright. But in fact, there is a difference between the two. Let's take a look at it together.
What is led flash?
The flashlights are all xenon lamps that are instantly high pressure and are especially bright. The LED light is a flashlight, lighting, indeed fill light, but with the flash is two different concepts. Xenon flash is good, the principle of led flash: led is not through the atom inside the electronic transition to light, but by adding the voltage across the PN junction of the led, so that the PN junction itself forms a level, and then the electrons in this The energy level jumps and generates photons to emit light. Qualified led in the rated power of life should reach about 100,000 hours.
Led flash parameters
Led:16 high-power led
White color temperature: white
Brightness: 3000lm
Visual distance: 30m, the actual effect depends on the characteristics of the camera and lens
Working voltage: AC110-220V/AC24V/DC12V
Power: 48W
Color temperature: 6,000-7,000K
Plug type: AC110-220V
Homemade led flash
material:
24 led tent lights, battery box (4 sections) with switch, hot shoe synchronous flash seat, power cord (or spiral), power socket, plug, P-type filter socket, P-type filter adapter ring, 502 Adhesives, folders, screws and other accessories.
tool:
Opener (85mm), bench drill (or hand drill), sanding tools, other gadgets (electric iron, wallpaper knife, glue gun, compass, etc.).
Production steps:
1. Processing ring lamp: (tent light, folder, power outlet) Dismantling the tent lamp only empty shell, open hole processing with 85mm hole opener, install the power socket with 502 fixed; tent lamp hole is empty after the middle , can be used to block the thickness of about 0.5mm folder, cut about 19.5mm wide strip (according to the thickness of the tent lamp and the circumference of the opening to cut) rolled into a 19.5mm high diameter 85mm cylindrical paste in the hole Place, but also a slightly smaller reinforcement. If you think that led and other dazzling, you can use matte plastic film for soft lighting, cut the same size of the ring shape can be attached to the outside of the lamp.
2. Processing ring lamp fixing plate: (P-type filter socket) Remove the filter insert slot of the filter holder first, perform flat surface polishing treatment, fix the modified led lamp on the fixing plate, and use all-purpose adhesive Fixed or screwed. I performed double fixation. (Because the card holder is relatively high, it takes a lot of effort to remove it. You can use the knife to remove the buckle by half the height.)
3 processing power cord: The core power cord around the screwdriver, with a hot air blow molding machine, you can also buy a spiral, thickness can be set according to their own taste, welding power plug. The length of the spiral is about 20cm.
4. Processing battery box and fixing device: (battery box, power cord, power plug) Remove the original wire from the battery box and solder the prepared power cord to the battery box electrode. Attach the flash shoe seat to 1/3 of the battery compartment.
5. Use: Install 4 AA batteries, connect the adapter ring to the lens (you can buy different adapter rings according to the lens diameter), and use the lamp cap to the adapter ring.
The difference between led fill light and flash
First, the introduction of led fill light and flash
1.led light introduction
Led fill light is a solid light emitting device, also known as light emitting diodes, driven by a small current semiconductor device light, power consumption is small, stable and high, but the brightness is relatively weaker. Less heat, good heat dissipation. Get close to the plant without burning it. Based on this feature, the LED can be placed horizontally or vertically above the plant, so it can reduce illuminance loss and provide light efficiency to a great extent.
2 flash introduction
Flash: It is a photographic sensitive photographic accessory that emits strong light in a very short period of time. It is mostly used for instant illumination in low light situations, and also used to light up the subject partially when the light is bright. Compact size, safe to use, easy to carry, stable performance.
Second, led fill light and flash principle distinction
1. led fill light principle
Fill light is generally used to improve the front of the object is not enough light to use a light led fill light method. This fill light is generally made using bright leds. The so-called fill light is a kind of special lighting equipment that uses specific light to be projected to the object to be illuminated, and is directly connected or connected to obtain light.
2. Flash principle
When the flash is fully charged, the flash sync contact on the camera turns on the flash circuit. While the flash fires, light is emitted from the flash to the subject, reflected from the subject back into the camera (for exposure) and on the flash meter. The photometric element will quickly convert the optical energy into an electrical signal input to the integration circuit, and then output an electrical signal proportional to the amount of flash light by the integration circuit; when the amount of flash light reaches a suitable exposure, the external power of the Canon external flash is required. At the time, the output signal of the integration circuit causes the control circuit to trigger the flash stop circuit so that the flash is extinguished.
Third, the difference between led fill light and flash
The flash is a type of fill light. The flash is able to emit strong light in a very short period of time and is a photographic sensitive photographic accessory. It is mostly used for instant illumination in low light situations, and also used to light up the subject partially when the light is bright. Compact size, safe to use, easy to carry, stable performance. Fill light is a kind of light used to make light compensation for some equipment or plants that lack illumination. At present, there are usually three types of fill light. One is a camera lighthouse (also known as a plant fill light), a photo fill light (also called a photo light or a camera fill light), and a license plate fill light ( Also called white light).
Editor's summary: In general, the flash is a type of fill light, both of which can be used to illuminate in a dim environment, but the difference is that the flash is a professional tool used to fill light when shooting outdoors. So it is often used in outdoor shooting. The fill light is also used in photography, but it has no limit. In short, led fill light and flash are used in everyday life are very extensive.
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