Best Lab Equipment

Here are some more information for Fluorescent Ring Tube:

Led Lighting: Costlier But Better

The LED Lighting consists of the solid state lamps that use the light emitting diodes as their source of light. In this system, multiple diodes are used to make one light because the light produced by a single diode is insufficient when compared to any other incandescent or fluorescent lamps. Though the initial cost of installing the LED lighting system is higher than any other traditional systems, LED can be relied upon for its efficiency and long life.

The LED lighting system though costs you a little more, but will prove to be your long term investment. The facts that make the LED lighting better than all the other existing systems are:

• Efficiency: The efficiency of the LED is much higher. The LED can offer over 100 lumens from a device having the power of 1 watt. Furthermore, it is attuned in generating higher outputs at high driving currents.
• Size: Good things come in small packages. The LED lamps are the perfect example to this. The small size of the LED lights makes them flexible. They can be easily installed in form of rows, or at individual points, clusters and rings.
• Durability: Unlike the fluorescent tubes, these lamps do not have any filament or tube that can break, hence making the lamp durable and long lived.
• Life Expectancy: The LED lamp can produce non stop light for not less than 60,000 hours!
• Dimming: The LED lamps have an added advantage. They use the technology called pulse width modulation, in which the light gets turn on and off at varying intervals, thus providing full dimmability.
• Eco Friendly: The absence of mercury and hazardous halogen gas makes the LED lighting system Eco friendly.

But this magnificent system has its drawbacks too:

• The manufacturing process of the LED lighting system is still not efficient enough to meet the widespread requirements.
• The LED lighting is quite expensive as compared to the existing systems.
• The long life of the LED lamps poses threat to the bulb makers whose existing consumers invest a lot in frequent replacements thus contributing to their business.

About the Author

Joanna is a well renowned Polish Journalist specialising in Polish, Russian and English translation services. She has been residing in th UK for 3 years where she has made her home among the Polish community in Tooting, South West London.

www.electricianshepherdsbush.co.uk

Photography Studio Lighting: Flash vs Hot lights vs Cool Lights?

I recently purchased a 3 soft box portable lighting kit using fluorescent tube "cool lights." I have been this far unimpressed with the light output, and I was wondering if simply adding a hot-shoe flash to my camera would help out, or if I should invest in a hot spotlight or a ring flash. Shooting with a NikonD40x and I'm not sure about the flash sync capabilities if I go for the flash ring.

You are expressing a common problem.

Totally agree with the comment above; mixed lighting will certainly lead to trouble. What you need to do is determine what would be the best lighting situation for the type of photography you are doing and stick with it. Here are my suggestions:

1. Studio flash (with or without soffbox) will be good for portraits and general subject matter.

2. Hot lights (halogen or studio incandescent) are good for still life and interior architecture as you can get an excellent "preview" of what the lighting will look like as well as get accurate light meter readings. You can, with some experience, paint with light as well. You also have a far greater variability for longer exposure times, so you can have greater controls using the "law of reciprocity."

3. Cool lights (either LCD or fluorescent) are very good for small product photography and food pictures where you don't want to add heat to the setup and also want to "previsualize" you results. As with hot lights, you can have longer exposure times than with electronic flash.

Caution on all bulb lighting. Exposure color alters with time and LCD lighting dims after many hours of use. If you don't have a color meter, buy one to make sure you are balancing light color correctly. Be especially careful of "ambient" light, especially with long exposure times as mix light sources will result in horrible results.

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