ONE THOUSAND!!!

Singapore, 2nd December 2013

A milestone reached! Never did I think I would end up writing 1000 blogs when I started to write my first one on a cold but sunny afternoon in Berlin, late October 2009. Now 4 years (and a book!) later I look back on an incredible ride! It has become a daily routine to the extent that I feel incomplete when I go to bed late having not been able to write my blog…it has happened occasionally. It has become a great way to look back on a day gone past, reflect on issues I had to deal with, things that happened in my practice or in the lighting world in general. We tend to just steam along and this little daily moment of reflection has been very gratifying and educating in the process. Most of all it has given me a way to communicate with my friends in and outside the industry. The feedback and encouragement I still receive are heart-warming and stimulate me to go on. Thanks to all who reacted with their well-wishes. Thank you, I am grateful for your support!

For now I am taking a well-deserved break and will be back with Season 5 (!) when I resume work in the New-Year. Till then I wish you and your families a fantastic year end, great Christmas holidays and may 2014 be a bright and successful year for all of us in the lighting industry! Take care and till then…

My wish for the New Year: That we still may find ways to treasure and sustainably use our incandescent lamps and not just burry ourselves in LED being the one and only lighting solution!

Please add your well wishes for the New Year….

02. December 2013 by Martin Klaasen
Categories: Light and inspiration, lighting design, lighting of the future | 3 comments

Comments (3)

  1. Hi Martin,

    Wish you a happy 2014 !!!

    Awaiting the next session of interesting light talks soon.

    Meanwhile I would like to share your idea on a lighting terms which I always find confusion.

    This is regarding the very basic lihghting parameters of CRI and light colour.

    CRI is always defined and measured against a colour identification of an object under the light source which we are refering . But Light Colour is the colour emitted by the source of light we are refering. CRI and Light colour said to be two independent conpects .

    As per technical terms , two CFL bulbs with 2700K and 6500K can have same CRI of 80. Technically, an object under these two bulbs should be visible to human eye in the same colour .

    Practically and psychologically this is hard to believe. Visual color of an object depends on the colour of the light source.

    I have never found a clarification to this confusion.

    Pleased to have your view.

    Regards.

    Sarani

  2. Dear Sarani, Happy New Year!
    You state correctly that colour temperature and colour rendering are two different things, one being the colour of the light itself and the other the ability to render colour from objects. Daylight is taken as the perfect colour rendering of 100%, but as you know we have different type of light throughout the day, from sunrise to sunset, resulting in different colour temperatures, yet the colour rendering remains the same. It is the ambient light in which we view the colour rendering of objects that changes. It is nearly like viewing the same object against different back ground. I agree that the technical and psychological effect seems at odds and not easy to get your head around. Our mind is a wonderfully complex thing!
    Take care, Martin

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