I feel the same inside the house. I like a “warm” light. In my shop thou I think I have 4500k LED tubes. I don’t mind them out there.
Cool White vs Daylight in 48 “ Florescent Tubes
- Thread starter Snagglefoot
- Start date
I used daylight bulbs wherever I can especially in winter. So most fluorescent bulbs are soft white (2700k) GE has a bulb with a slight reddish tinge that's 3450k. Cool white are usually 4000-4200k sunshine are 5000k full spectrum 5250k almost a slight greenish tinge then daylight are 6500k.
First of all, there is no "daylight", since the light temperature changes from 2800K to over 8000k and back during the day.
And yeah, as a cinematographer I'm quite sensitive to this topic, since I make a living from it.
Personally I never understood why anybody want anything else than "warm" lights after sunset - it's unnatural and it messes with your melatonin levels and circadian rhythms. Bad sleep than leads to all sorts of health problems - this is known and well researched since donkeys years (let alone the fact that having a lab light situation in your bedroom is just horrible) and yet - a lot of folks still put glaring cold lights in their homes - it's beyond me.
Talking about LEDs - yes, the technology in our $2000+ Lights we use on set got really good, but I can still spot any consumer LED fixture without even breaking out my light meter form a mile away, no mater what CTR they advertise - benefit and curse of over 30 years of experience I guess
Never would I let come any LED even close to my home though - you can take those incandescent bulbs from my dead cold hands.
Having sad that - latest research suggests that there are 35% of folks out there with a genetic defect, that prevents them to tell the difference. Oddly enough, most of them are in Asia, but still a good portion also in the west.
And yeah, as a cinematographer I'm quite sensitive to this topic, since I make a living from it.
Personally I never understood why anybody want anything else than "warm" lights after sunset - it's unnatural and it messes with your melatonin levels and circadian rhythms. Bad sleep than leads to all sorts of health problems - this is known and well researched since donkeys years (let alone the fact that having a lab light situation in your bedroom is just horrible) and yet - a lot of folks still put glaring cold lights in their homes - it's beyond me.
Talking about LEDs - yes, the technology in our $2000+ Lights we use on set got really good, but I can still spot any consumer LED fixture without even breaking out my light meter form a mile away, no mater what CTR they advertise - benefit and curse of over 30 years of experience I guess
Never would I let come any LED even close to my home though - you can take those incandescent bulbs from my dead cold hands.
Having sad that - latest research suggests that there are 35% of folks out there with a genetic defect, that prevents them to tell the difference. Oddly enough, most of them are in Asia, but still a good portion also in the west.
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Cool white are 4100k sunshine are 5000k and if they are indeed Philips daylight fluorescent bulbs those are 6500k. I like those in the wintertime as the short days do a number on me wanting to get to bed too early. I also liked them when studying as I didn't fall asleep nearly as easily. LED daylight bulbs unfortunately seem to be 5000k.
Thanks. I ended up putting the Daylights in the pantry room. My wife says they are so bright they make her want to confess.
The Cool Whites are in my garage with a high roof and are replacing existing cool white bulbs as they ”burn out”. The ballasts are still good after eleven years. I found the Daylights would just be two darned bright as I have 34-4 ft tubes in 17 sets of 2 each.
It seems that 6000K bulbs are the cheapest ones to make. The lower the color temperature, the more phosphor needed, therefore the more they cost.
I ordered another 10 Cool White bulbs from Amazon. They came sufficiently packed using bubble wrap. All good.
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Not that it would be terribly relevant to the OP, but since LEDs were mentioned, they can be adjustable like many of my desk lamps. At least one company has a switch for fluorescent replacement tubes.
store.toggled.com
4 ft. Color Changing, DIMMABLE Direct-wire LED Tubes (2-pack/Multipack)
Color Changing, DIMMABLE Toggled direct-wire LED tubes are designed to replace T8 and T12 fluorescent tubes (120 VAC) which significantly lowers energy (up to 70%) and maintenance costs while enhancing the quality of light. Use the tube's switch to slide-and-select white color of choice (4000K...
So you guys only go out during sunset, and complain when you have to go outside at noon? lol
No. At noon high-color temperature light is perfectly appropriate, and the sun provides plenty of it.
At 10pm, though, it's not desirable to make my house look like it's lit up like a mall parking lot.
Adjustable color temperature can be pretty nice. I don't need a whole lot of light and actually just a bigger desk lamp in the living room at night just to make sure I can get around. But I choose a color temperature that I like.
Ive bought led bulbs that work directly with the fluorescent ballasts. they were direct replacements and I didn't have touch the fixture.
I thought about that but when I discussed it on BITOG I was persuaded to get ballast bypass tubes. I've replaced a ballast before so I was comfortable rewiring. It will probably outlast me, although I barely use that light.
The ballast still sucks up energy and will buzz a bit. And if the ballast fails is it worth it to replace it?
I did the same and it is a very easy job to do....
Too blue for me. I like 2700k-3600k better.
I liked the GE spiral fluorescent bulbs. They came in 2700k, 3400k ( the reddish tinge) 4100k white like hid bulbs, 5000k is sunshine which I can't find in LEDs and daylight which is supposed to be 6500k. I like those in the winter time with the short days.
I finished off with two twin packs from Canadian Tire. That’s a total of 34 bulbs all done in Cool White. She’s lit up real good!
They only see a particular "sample" of red, green, and blue. Phosphors in flourescent bulbs also emit fairly narrow wavelengths, which at times "clash" with a sensor, film stock, etc. Lighting with better CRI (100% is perfect, as given by the sun and incandescent bulbs) is best captured in photos, allows dyes to look like they should, and is generally most pleasing to look at.
I lived through the 90s when they tried making "warm" flourescents. They mostly just looked brown. Yuck!
I'm also a fan of lighting on the cooler, brighter side, particularly in a work space like a garage.
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