Full Spectrum CFL Light Bulb - 40 Watts (Compares to 150 Watt Incandescent) Review

Average Reviews:

(More customer reviews)I don't like my lights yellow, I don't like them blue. With that in mind, I bought just one of this CFL to check out. It has just a shade of that warm white (5000K instead of 5500K) to it which makes it ideal to use in a residential environment. Pictures taken using a digital camera under this light have come out nice looking - not bluish or yellowish. The difference in color rendering is also clear. So far the lamp hasn't had a high pitch whine which some of the other CFL's have been prone to.
The one thing keeping me from rating this lamp higher is slow startup. Takes at least a couple of minutes for the lamp to reach full brightness. For a 40 watt lamp, it also seems to emit slightly less lumens - but I gladly accept that for better quality light (Quality over Quantity).
Another thing to keep in mind that the lamp is fairly large (tall). This is after all a 40W CFL. Not all fixtures will accept this light w/o the lamp sticking out.
Beats the junk they sell in warehouse stores..

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These bulbs are the highest quality full spectrum light bulbs available today. Excellent for reading, they give you true color and superior clarity when compared to standard bulbs. Most compact fluorscent bulbs are not bright enough when compared to incandescent bulbs. This is because they are usually around 2700K color temperature. Our compact fluorescent bulbs are "Full Spectrum" or "True Daylight". This means that they are 5000K. This makes the light more like the color of true sunlight. Full Spectrum lighting is better for reading or anywhere you need to have bright, hight quality lighting. All of our compact fluorescent bulbs have an expected life of 10,000 hours, and save you energy too. Fluorescent bulbs use only a quarter of the energy of an incandescent bulb and they last 10 times longer. Ecological and Economical and great quality of light. It doesn't get any better than that !

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ALZO Digital Full Spectrum Light Bulb - ALZO 45W Photo CFL 5500K 91 CRI, Daylight balanced, pure white light, 2800 Lumens, Case of 4 Review

Average Reviews:

(More customer reviews)I am an engineer who has been completely disgusted with the home lighting situation. There are no standards and many misstatements and counterdictions at the stores. I own a Minolta flash meter which accurately measures a lights color temperature. I've tried the bulb technology at Walmart, Sams Club Home Depot and Lowes. The most glaring examples:
1) yellow light is called soft white (2700)
2) very blue light is called daylight 6000-6500)
3) 12W LED lights go for as much as $90!
4) Some bulbs are advertised as white but the chart on the back shows its yellow. Complete incompetence.
Here is not what to avoid: all (harsh washed-out blue) daylight, and (yellow) soft white. While GE Reveal offers somewhat better clarity its still overpriced and quite yellow.
Full spectrum (5000-5500) bulbs are a step-up but stores offer a very limited selection, like one! The Home Depot full 100w spectrum's beats the Lowe's Ott-Lite. The best compromise are the PAR38 indoor 23-27w 3500K reflector lights (which actually measure 4100K), especially for recessed kitchen spot lighting.
On the LED front Sam's Club carries a 520 lumen, 4100K, 9 LED PAR38 reflector which has a easily noticeable smoother light spectrum. Interesting for the one light on in the kitchen in the evening. The equivalent $70 LED lights at the hardware store are hardly a bargain, as the Sam's is $20! However its Color Retention index (CRI)is only 74.
The best of all are lights are these 5500K Alzo's. I've installed a 45w in the kitchen pantry and the color of the food boxes really pop. Food looks like it does in the magazines. The clarity is first rate (however 27w should be sufficient). They are the reference to which others are to be compared. My wife has not complained even when they are on at night-time. This is a first.
Skin tones in the bathroom look very natural. A first again.
Color temperature alone is not the sole basis to buy a bulb as a high CRI is also required. The Alzo's come in at 92, which is very high. Most manufactures do not even list this measurable figure (assume because its too low).
Well gotta go as my wife wants one in her closet now, as shes hates the other fluorescent lights which cause eye-strain. Should I install a 45w and blow her away?

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Case of 4 full spectrum light bulbs for daylight balanced lighting, energy star compliant, long-lasting at cir. 10,000 hours with 2800 Lumens output; low energy consumption, good for treating S.A.D. (Seasonal Affective Disorder), photo studio lights, or starting plant growth. These are Compact Fluorescent Light (CFL) bulbs. Fits all medium-base E27/E26 sockets, but this is a large bulb that might create a fit problem with standard lamp harps of household light fixtures; a larger lamp harp is needed, see ALZO 10" harp, ASIN B003SZCUZ2. Dimensions: L: 7"; W (Diameter): 3"; Length socket base to top of ballast: 3"; W (diameter) of socket: 1".

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