LED bulb E27 — CLOUD 22cm, matte white, 4000K, 6W, 600 lm
In stock at 51 pcs
SKU#: E27-cloud-matte-white
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You don't need a separate shade with this bulb, it looks like a lamp in itself! The light colour is 4000K neutral white. The luminous intensity of the lamp is 600 lumens. The surface of the bulb is matte white and the bulb is glass. The bulb has a diameter of 22cm.
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€ 59.00
VAT 0% | 24%
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You don't need a separate shade with this bulb, it looks like a lamp in itself! The light colour is 4000K neutral white. The light output is 600 lumens, equivalent to an old-fashioned 60W bulb. The luminaire has an excellent colour rendering index of CRI 95, which means it reproduces the colours of your interior in a natural way.
The bulb has a matt white surface and is made of glass. The bulb has a diameter of 22cm, making it the perfect size for lighting in hallways and corridors, for example.
- Delivery status In Stock
- Brand Ledstore
- Breadcrumbs Home LED bulbsVintage and decorative bulbs LED bulb E27 — CLOUD 22cm, matte white, 4000K, 6W, 600 lm
- Category Vintage and decorative bulbs
- SKU E27-cloud-matte-white
- 6
- 600
- 173
- 230
- Dimmable
- 4000
- Life span 30000
- 23
- 23.5
- 23
- CE, RoHS
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WHAT IS CRI, THE COLOUR RENDERING INDEX
High quality LED lights also have a high colour rendering index, or CRI. A good colour rendering index (CRI) for home use is above 90, and nowadays many market lights are unfortunately closer to 80.
CRI tells you how well an LED light displays colours as they should be. For designers and architects, as well as interior designers, it should be one of the most important considerations. Make sure the lighting is perfect so that your artwork is what it is meant to be.
Colour rendering index
The colour rendering index is expressed as a number on a scale from zero to 100, where 0 = no colour rendering and 100 = full colour rendering. The colour rendering index of LED lights is also known as Ra, which is measured on a smaller scale than CRI. This Ra value does not include red tones or skin tones, for example, so it is a 'glossed' figure for the true quality of an LED light.
RA value
The Ra value measures the reproduction of colours using eight different reference colours. CRI takes into account the wider (15) wavelength range, including reds and other warm colours.
The Ra value is calculated by cutting the wavelength range, weighting the blue and violet tones, and calculating the weighted average of R numbers 1-8.
Excluded from the Ra value are, for example, the colour rendering of bright reds, yellows and greens, and shades close to skin tone. These are described by R-values between 9 and 15. The following is a picture of a measurement result that easily confuses the consumer.
This measurement is from a 9W CCT Led spot
Read more on this topic:
Colour rendering of LEDs - What is the difference between CRI and Ra-value?