CFL bulbs

Egg Born Son

Veteran
I've being playing with some cheap and nasty eBay CFL lighting (I know I know). I got 120W CFL spiral globes with self ballast in the kit and was quite impressed with them on first try, til I turned them off and my vision went total magenta for at least 30 seconds - that's a big green spike with no meter required to tell me so. Thing is when I turned them back on again and the first of three went pop - I got less than half an hour out of this $35 CFL, well would've been if I didn't scam them on an incorrect listing (which is, incidently, the only reason I bought them). I paid just over $135 for 3 lights with stands, including boom and softboxes, globes, a backdrop stand and a 3x6m muslin. The package would normally have been over $280 if they hadn't cut and paste the wrong description into the listing.

Now I can't say I'm surprised, I didn't expect these to last long - but 30 minutes? Which got me thinking. I haven't had much luck with domestic CFL lighting at home either. They cost a heap more than incandescent and are advertised as long lasting and direct replacement. I reckon they are lasting me a fraction as long, I've had quite a few die within a fortnight - maybe even half now I think about it. I'm a late adopter and have bought just over a dozen, maybe a dozen and a half only - so true, it is a small sample size. My first thought was maybe I have faulty wiring in the house. But I've had them die on me in both lamps and light fixtures (different circuits in other words) and these eBay ones were plugged into a surge protected power board.

I assume its the ballast that's blowing since they don't have filaments, not sure about the domestic ones but this big 'un definitely went pop. I've been using them exactly like incandescents, do I need to let them cool down or something before I turn them back on? Is there any other special consideration they need which I might be ignoring? Or do these spiral CFLs just use cheap ballasts and its hit and miss? Am I just unlucky? I'm increasingly reluctant to get any more either for the home or for filming. But for lighting video in cramped confines indoors I think tungsten is going to prove just too much of a fire hazard. I'm obviously going to need one for hard key/shadows but cool lighting elsewhere would make me feel a lot safer. So if anyone has a similar experience to share or can think of a reason I might be going through CFLs so quickly I'd feel a lot happier about giving them another go.

For $135 I consider this to have been a worthwhile experiment. I'm planning on testing the remaining two CFLs to destruction, keeping the softboxes and using the stands as throw-aways or reflector stands. Their muslin/stand deal alone is usually about the same as I paid so I see it as getting the lights for free. I've already tried the worklight option - way too hot (even at 250W), poor light quality and too wide and difficult to control. So next up its time to do what I should have done in the first place and get proper gear. Still, I'm only a few bucks out of pocket for the whole cheap lighting flirtation so no harm done. And I've learnt a lot about what I don't want in the process.
 
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For $20 you can buy a 85W CFL from Alzo and the color index is pretty good. CRI of 91 or better they claim. I recently stocked up on these and the nice thing is they come in either 3200k or 5600k, with a y-splitter you can screw two into one socket and get 170w. Equiv. to about 800w of tungsten but already very soft. I also bought a single 250w CFL 6500k grow-light and is usable if you white balance. That puppy works perfectly in my large softbox and can be used to fill a room with "ambient" looking light.
 
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250W? That thing must be the size of a caterer's coffee tin! When I opened the box on these 120W (5500K) CFLs I was expecting to see three but the box could only fit one. I'm started to wonder if CFLs might be like LEDs and either die straight away or not at all. If they last the first week maybe they'll last a year. Or perhaps it is just bad luck (or poor to non-existent QC). I suppose it might be worth having another crack and going even cheaper - buying a dozen in the hope 6 last...
 
Sorry it is 6500k , but either way I'm able to white balance to it and it does not look blue anyway, even to human eye. It measures 14" x 5". The thing is massive and what I can't believe is it got to me in Canada from USA without smashing. The packaging design is very smart and so it can stand a lot of movement.

Here is the seller I got mine from, they also have a 2700k version but it definitely gives off red. Please note the socket is mogul socket, not standard household socket!!

http://www.ebay.com/itm/250-250W-WA...287?pt=LH_DefaultDomain_0&hash=item35a912b957
 
She's big alright! But I think I'll stick to the edison screw mount. I just did an eBay search for CFLs and the seller I got them from seems to be charging a premium (clearly not for the quality). I can get 8 delivered for A$100 or less. Doesn't seem so unreasonable if half of them actually last and I might try the Y-split trick you mentioned (although will probably need to get them online - don't think they meet Australian safety standards, at least I've never seen them in the hardware store). In case the 120W ones are overdriven I could try the 105 or 115W ones. Gonna dismantle the softboxes tomorrow and re-terminate all the power cords to be sure it's not an electrical problem. That said I tried the other two for an hour tonight with no further issues (none that white balance can't fix anyway). Maybe it was just a one off.

I did it again - a glutton for punishment and ordered a JieTu Red Head as my point source for the time being. I've read a few positive reviews of that brand on here so I might get lucky.
 
Go to Alzodigital website and order from them, the hours and light quality is really good and worth it if you are using these for professional use.

You do get what you pay for but usually there is sometimes a "middle".

I guess shipping to Australia is not cheap, so buy in bulk to save~!
 
Be careful with full spectrum grow lights, they put out a lot of UV. After a day in front of several of those lights at close proximity, your talent may get sunburned.
 
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