In all the different variations of stage and studio bulbs, there are some which have a very specialized application.  That's probably the case for the EFP lamp.  It's a little confusing sometimes, with all the choices of projection or viewing equipment, to find the exact bulb you will need for replacing your old one.  There are many types, but only one which is designed for the projector you have.  One of the more special lamps for projectors or illumination is the EFP projector lamps.  With the advent of computer presentation equipment increasing over the past decade, there are still many applications that require a manual operation and interaction.  They need to perform the simple task of of projecting light on a wall or screen.  There are a wide variety projectors which use the EFP lamp, and they don't all look at all the same or have the same function.  The EFP is also used in some types of machines that have a viewing component for quality control as well.  No matter what kind of application you have, you'll find that there are certain things you should look for when identifying your projection lamp.

All of the EFP projector lamps regardless of the brand have the same shape which is a MR16 shape, and on occasion, the exact same shape of another lamp which might have a different voltage or wattage.  That's one of the reasons they're not interchangeable.  The specifications of wattage and voltage are completely different and although they might fit in another projector, you'll find it won't work properly.  The EFP projector lamps are 50 watts and 12 volt with a 3400K color temperature.  Another thing to remember, because these have a high light output, that usually means they have a much shorter life.  The life is shorter, about 50 hours, so it's good to turn off the lamp when it's not being used.

Here's something to remember when replacing these type of lamps, they are identified by a 3 letter code on the bulb.  You'll see it somewhere on the back, the base or the top if it's more like a bulb as opposed to a reflector type lamp.  Sometimes you'll see the code as EFP as described here or FXL, DYS, ENX, DYS, ELH or something similar to that, you get the idea.  It's just a code, but it tells everything you need to know in finding the right lamp.  The ANSI 3 letter code identifies that bulb as to the shape, wattage, voltage and any other standard information.  Unlike other types of bulbs, these have some standards across various manufacturers, the only thing that varies is quality.  We have two of the best manufacturers of all types which are Sylvania and Eiko.  We have found that the quality of these is superior to almost anything else on the market.  The beam patterns are very solid which mean that you will have an even illumination making the presentation better.

In summary, EFP lamps are used specifically for the overhead projector or equipment they operate in.  Of course, you will need the correct voltage and capacity for the projector bulbs that you intend to use, so if you're not sure, check the specifications.  Whatever type of projection lamp you have, you can get what you need while getting the best quality brand for your money.  We have a large inventory of projector bulbs for nearly every type of lighting application in the field.  If you're having trouble identifying a projector bulb, our customer service representatives can help you determine what you have, simply give us a call.