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  • CowboyStudio Set of Two 105 Watt, 5500 K Fluorescent Daylight Balanced Light Bulb for Photography and Video Lighting
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CowboyStudio Set of Two 105 Watt, 5500 K Fluorescent Daylight Balanced Light Bulb for Photography and Video Lighting

84 customer reviews
| 7 answered questions

List Price: $39.99
Price: $31.09 & FREE Shipping on orders over $35. Details
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  • Two (2) 105 watt bulbs
  • Incandescent equivalent: 400 watts
  • 9" Tall x 2 3/4" Wide
  • Average life: 8,000 hours
  • Color temperature: 5000 K
2 new from $22.00 3 used from $24.34

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Frequently Bought Together

CowboyStudio Set of Two 105 Watt, 5500 K Fluorescent Daylight Balanced Light Bulb for Photography and Video Lighting + CowboyStudio Photography & Video Portrait Umbrella Continuous Triple Lighting Kit
Price for both: $76.08

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  • Save Big On Open-Box & Used Products: Buy "CowboyStudio Set of Two 105 Watt, 5500 K Fluoresce...” from Amazon Open-Box & Used and save 39% off the $39.99 list price. Product is eligible for Amazon's 30-day returns policy and Prime or FREE Shipping. See all offers from Amazon Open-Box & Used.

Product Description

Compact fluorescent light bulbs use up to 75% less energy and last up to 10 times longer than standard light bulbs. The total cost of ownership of a compact fluorescent lightbulb is typically substantially less than a standard light bulb that produces the same amount of light. Primary applications for compact fluorescent light bulbs include retail, hospitals, warehouses, workshops, churches, arena, schools, television, photography, and garages.

5000k daylight compact fluorescent standard spiral bulbs are an excellent choice for digital camera photography. They generate a close match to natural daylight and a crisper view of the items being illuminated.


Product Details

  • Product Dimensions: 7.9 x 7.9 x 7.9 inches
  • Shipping Weight: 2.2 pounds (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • ASIN: B004L75BGQ
  • Item model number: 2x 105 W/5K SPRIAL
  • Average Customer Review: 3.7 out of 5 stars  See all reviews (84 customer reviews)
  • Amazon Best Sellers Rank: #642 in Camera & Photo (See Top 100 in Camera & Photo)
  • Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
  • Date first available at Amazon.com: January 27, 2011

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews

250 of 250 people found the following review helpful By AFSDMS Pro User Reviews on February 23, 2012
Verified Purchase
2012-07-06: Updated to add detail to light measurement methodology. The results of the test have not changed.

Serious photographers and videographers may want to read all this info about multiple CFLs tested. Others can skim it for the CowboyStudio 105 watt specific evaluation.

I have been testing CFLs for a couple important projects that need continuous light. The tests include measuring light falling on the subject (measured in LUX with a Lux meter and confirmed with a Sekonic Digital Incident Lightmeter), color temp/quality, and actual power consumption. Since a lot has gone into this, and the results are "interesting" especially in terms of this specific CFL, I decided to share my opinions. Apologies for another long, but fact filled, review :-)

The tests were all conducted with bulb warm-up times > 30 minutes, professional digital light metering, test RAW still images of a Kodak Q-60 target, and continuous monitoring of power factors. I also tested 3 100 W incandescent bulbs to see how efficient these CFLs really are.

Against incandescent lamps, including one with an encapsulated Halogen source, these CFLs generate 5 to 6 times more illumination per watt consumed! For real! This means having lots of light to work with with far less heat, power consumption and fewer blown circuit breakers on location!

The good news is that CFLs come out very serviceable and and efficient . . . but this "105 watt" CowboyStudio CFL is at the back of the pack. Way back.

Amazon sourced Full Spectrum/Photo/Video CFLs tested included:

CowboyStudio "105w":
...Read more ›
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37 of 38 people found the following review helpful By Trampy469 on September 8, 2011
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One star is generous for these (it will not allow 0 stars) These lights are no where near the rated 105 watts. I bought them to replace my 85 watt flashpoint lights and the 85 are brighter!!! I put the lights on and tested with light meter and the 85 watt are a full 2 stops brighter !!! What they don't tell you in the above is that YOU CANT RETURN THEM. Save your money and look else where. Heck these are going on ebay right after this post!!
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14 of 16 people found the following review helpful By J Christensen on October 14, 2011
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This bulb is fantastic! I love bright sunny looking light bulbs. This bulb looked very much like sunlight and was completely noise free! The bulb is huge! But that is fine for what it is used for. Although it says it consumes 105 watts, my watt meter says it only consuming 39.8 watts, whether warm or cold Why? I do not know yet, but because of that I cannot give it a 5 star.
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7 of 7 people found the following review helpful By Emmanuel on September 29, 2012
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The Cowboy 105 watt CFL light output is only 120 foot-candle (FC)!!! I have a generic 23-watt CFL with 91 FC and a 29-watt CFL with 112 FC. If these cowboys are really 100-watt than they must be the least efficient CFLs ever made.
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2 of 2 people found the following review helpful By J. Brand on October 6, 2012
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These bulbs are not as bright as advertised. I have 2 42watt Ecobulbs that I bought at a home improvement store and those bulbs are brighter than the CowboyStudio.
Not to mention one of the bulbs arrived with the spiral tube not glued to the base. The tube wobbled all over and I was afraid it was going to pull the wires out of the base.
But I needed the bulbs for a shoot, so I glued the bulb to the plastic base. I doubt I'll buy these again, when the home improvement store has the same color temp bulbs for less.
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1 of 1 people found the following review helpful By Daniel A. Koblosh on April 5, 2012
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These so-called 105 Watt lamps are simply not that bright. I own some Flashpoint 70 Watt, 85 Watt and 125 Watt lamps.

Pointing a light meter at the diffuser surface of a softbox with the 85W bulb inside gives a reading of f/16 (this for comparative reference only, not how much light lands on the subject.)

The 85W Flashpoint reads f/16.
This 105W lamp gives a reading of f/11.
The 70W Flashpoint reads f/11, although with a greener tint.
The 125W Flashpoint reads f/19. Its downside is that it needs to be tapped slightly to get the power supply to kick in to full power. Otherwise, the lamp flickers and puts out half light. (But I'm not reviewing that lamp.)

One point is that the 105W bulb is smaller in diameter than the 85W. I don't think you can get that much light out of such a small envelope.

Size-wise, though not spiral, my 125W lamp is about 14" long x 3" dia at the base and 2-3/4" diameter along the tubes.
This 105W is 9" long (from the bottom of the Edison screwbase) and 3" in diameter.
The 85W is 10-1/2" long and 4" spiral tubes diameter.

I'll need to mount both of these 105's inside my photographic softbox to equal the light output of one of my 85W bulbs. At $30, that's not a good deal.

Pros:
1. They arrived very quickly and in good working order.
2. They are very white. No green tinge that many fluorescent bulbs typically exhibit.
3. Reasonable cost.
4. Compact size. (9" x 3"). Easier to transport.

Cons:
1. Not as bright as their 105W would suggest.
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2 of 2 people found the following review helpful By Amazon Customer on April 26, 2011
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The bulbs worked great. The color looks accurate and the light output is good. The price was extremely reasonable. You can't go wrong with these lamps.
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2 of 2 people found the following review helpful By Tim N on October 2, 2013
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These are not the Eiko lamps your looking for. I bought them and they are not as bright. Don't be cheap, except to substitute!
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CowboyStudio Set of Two 105 Watt, 5500 K Fluorescent Daylight Balanced Light Bulb for Photography and Video Lighting
This item: CowboyStudio Set of Two 105 Watt, 5500 K Fluorescent Daylight Balanced Light Bulb for Photography and Video Lighting
Price: $31.09
Ships from and sold by Amazon.com

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