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  3. Proxy photographie : Votre iBook comme boite à lumière, read 12961 times, exists for 2221 days, read 5.8330 times a day
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  4. eBay Security Flaws or How am I supposed to have bought 28 objects in 3 minutes on ebay france, US and italy! updated on Sept. 18th, 2006 22:45
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Proxy photographie : Votre iBook comme boite à lumière

Jan. 7th, 2006 22:28 by sdelucaPermalink | TrackBack: http://deluca.biz/trackback/311 | del.icio.us logoDel.icio.us — exists for 6 years & a month ago — Rate:  — — Sorry, this content is not available in english.

Lors d'une séance de proxy photo en faible lumière, j'avais réglé un spot rouge pour qu'il tombe sur le sujet façon spot de scène.

Mais pour obtenir la lumière que je recherchait, il me fallait un spot jaune poussin, dont je ne disposait pas afin d'obtenir l'image de droite.

Alors il m'est venu une idée, que j'ai pu mettre en oeuvre directement lors de la séance.

Je me suis dit que finalement, l'écran de mon iBook, qui patientait à côté de l'appareil photo pourrait faire office de diffuseur de lumière. Son écran, si je l'oriente vers la scène, émet par sa large surface de 10 pouces par 9 une douce lumière propice à un résultat interessant.

J'ai fait quelque tests qui m'ont encouragés à chercher plus encore.

L'articulation de l'écran est parfaite pour servir de projecteur. Je dispose l'iBook ouvert comme un livre, posé sur la scène -- mais hors champs -- et sur le côté (voir photo de droite).

Restait à pouvoir colorer la source facilement, et régler l'intensité.

J'ai trouvé que la meilleure façon de procéder était de créer une page web où je passerait la teinte en paramètre de cette façon:
http://deluca.biz/sdlphotostudio.html?color=FF0 pour du jaune.

Pour moduler l'intensité, il y a trois façons de procéder :
  • Régler la luminosité de l'écran directement depuis les touches de l'iBook.
  • Régler la taille de la fenêtre du browser.
  • Simplement régler la couleur de façon appropriée, du genre AA0 pour du jaune moins lumineux.

Voilà, vous pouvez utiliser mon diffuseur en cliquant sur http://deluca.biz/sdlphotostudio.html et me donner du retour sur son utilité pour vous. Toutes remarques permettant l'amélioration du système sont les bienvenues.
3 comment(s) | Reddit!

Proxy photography: Your iBook as a light box

Jan. 7th, 2006 22:28 by Permalink | TrackBack: http://deluca.biz/trackback/312 | del.icio.us logoDel.icio.us — updated on Sept. 19th, 2006 01:50 exists for 6 years & a month ago — Rate:

During a proxy photo session in low intensity light, I had regulated a red spot so that it falls on the subject like a spot.

But to obtain the right light I had in mind--look at the right hand photo--I needed an additional yellow spot. Unfortunatly, I had no such spot.

Then it came to me an idea, which I could implement directly at the time of the session.

I said to myself that finally, the screen of my iBook, which was there beside the camera could act as diffuser of light. Actually, if I direct its screen towards the scene, it emits by its broad surface of 10 inches by 9 a soft light which could lead me to an interesting result.

I made some tests which encouraged me to seek more still.

The articulation of the screen is perfect to be used as projector. I lay out the open iBook like a book, posed on the scene on its side (see photo of right-hand side).

The remain thing was to be able to colour the source easily, and to regulate the intensity.

I've found that the best way to proceed was to create a Web page where I'd pass the hue in parameter this way:
http://deluca.biz/sdlphotostudio.html?color=FF0 (yellow).

To modulate the intensity, there are three ways of proceeding:
  • Regulate the luminosity of the screen directly with the keys of the iBook.
  • Regulate the size of the window of the browser.
  • Simply to regulate the color in an adapted way, for instance, AA0 for less luminous yellow.

Here we are. You can use my diffuser, just click on http://deluca.biz/sdlphotostudio.html and give me feedback about its suitability for you. Any suggestion or improvement request are welcome.
3 comment(s) | Reddit! |


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  1. Manu (Permalink)
  2. Chris Garrett (Permalink)


All 3 comments




1Cite — Comment from Dylan posted on Sept. 13th, 2006 00:40:

Interesting site

2Cite — Trackback from Chris Garrett posted on Sept. 18th, 2006 10:35 — (Permalink) :

Coloured Photograph­y­ Light Using a Laptop
Stéphane de Luca has an interestin­g­ DIY coloured light - his Apple iBook!
This probably has most utility in macro photograph­y­ but it shows some great creative uses for stuff you happen to have around anyway.

Another good use of a laptop screen is for a background in macro shots. Set the colour of the background to nicely set off the object you are shooting, it serves as both a backdrop and back-light simultaneously!

6Cite — Trackback from Manu posted on Sept. 18th, 2006 20:00 — (Permalink) :

"Usando un portátil como difusor de luz"
19 Août 2006 15:35 — Muy curioso uso para tu portátil, en realidad pequeño truco para cualquier monitor. Si eres aficionado­/a­ a la fotografía en ocasiones hechas de menos filtros para iluminació­n­ aquí la solución. Usa tu monitor comodifuso­r,­ tan solo tienes que tener el color necesario, usa esta página para indic […]


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