Is this lamp safe to use with a 45w CLF or LED?


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Old 11-25-16, 08:27 PM
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Is this lamp safe to use with a 45w CLF or LED?

I know this may not be quite the question you typically get asked on this forum but i am making my own light tent for photography and I am looking for some cheap lamps. I found a couple of gooseneck lamps that say they can handle a max of 60 watts with an incandescent bulb.

Is there any safety issue with using a 45 watt LED or CFL?

Yes, am thinking watts are watts, but I don't waste time and money by missing something subtle.

Thanks!
 
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Old 11-25-16, 11:59 PM
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I'd guess if you looked closely the LED and CFL say something like "equivalent to 45W". Their actual power draw is probably much less.
 
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Old 11-26-16, 03:52 AM
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It actually is a 45w bulb, it gives the output of a 225w incandescent bulb. It is a fairly typical bulb for photography as versus what you use for lighting your living room or kitchen.

Thanks.
 
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Old 11-26-16, 04:25 AM
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Is it a cold light with a transformer, or will it screw into the factory socket in the lamp? The wattage is under the maximum (65) for most fixtures, and if it is LED it will give off less heat than incandescent.
 
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Old 11-26-16, 04:43 AM
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Here is the lamp.
Target : Expect More. Pay Less.

Here is the bulb:
Flashpoint CFL Spiral Fluorescent Bulb, 45 Watts, 5500k - f/Shallow Refelcters FB45S

Does this help any?

Thanks.

Sorry I didn't post links earlier, I assumed that was blocked for new users.
 
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Old 11-26-16, 04:57 AM
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The bulb description allows installation in narrow neck receptors, so I should think you will be OK. Do you plan on surrounding it with reflector umbrellas or any type soft box surround?
 
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Old 11-26-16, 05:07 AM
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Not for this particular project. This is pretty much what I am doing.

How to Make An Inexpensive Light Tent - DIY

A couple of lights on stands on the sides and one on top using a clip on.

Thanks for the guidance.
 
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Old 11-26-16, 05:24 AM
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OK, I see. With such a small space, do you think you will need the 225 watts? Could a 3500K or higher, smaller bulb work? Less potential heat.
 
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Old 11-26-16, 05:57 AM
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Old 11-26-16, 06:55 AM
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Usually with a light tent, you'll see THIS type of fixture.

I usually shoot tethered to a laptop and use a 105mm f/2.8 Macro lens.
Shooting tethered allows you to see the fine detail on the laptop instantly.
 
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Old 11-26-16, 07:03 AM
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Yeah, chicken lights can take the lamps with no problem and can be clamped anywhere.
 
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Old 11-26-16, 07:07 AM
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Look at THIS setup. It's using 26W CFL.

If you have questions about shooting Macro, just ask. I've done it for magazine ads, brochures and web site use.
 
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Old 11-26-16, 07:34 AM
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Here's an arrowhead I shot for RamCat. I did all of their photography.

Name:  Ram Cat.jpg
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Size:  12.6 KB
 
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Old 12-04-16, 11:46 AM
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Thanks for all the input everyone. I ended up with 23w bulbs and three lamps from Target: one clip on for the overhead and two desk for the sides. I am quite pleased with the performance.
 
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Old 12-05-16, 05:05 AM
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Usually with Macro photography, you want everything in focus, so a small aperture like f/22 is used. As you know, this means using a sturdy tripod and lots of light. Use a low ISO like 200 or 400 to help reduce noise. That means the only adjustment left is time. Shoot in fully manual mode, set f/stop, ISO and adjust shutter speed to get the correct exposure.

Shooting tethered to a laptop or other computer has great advantages. Software like Lightroom will bring up the image full screen on the computer.
Nikon Camera Control Pro 2 allows you to have full control of the camera without touching it. From the computer, you have full access to the camera menu and all manual settings. The shutter is released from the computer, so that means you don't have to touch the camera.

Touching the camera to release the shutter can cause vibration. If you don't use software, use a remote cable shutter release. Good luck.
 
 

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