| Pour cette 179e édition du concours de MacroPhotography de @photofeed, je propose ici deux photographies réalisées avec un éclairage sous-marin particulier que l'on appelle "snoot" dans le milieu de la photographie sous-marine. Sous l'eau, vous l'avez remarqué, la lumière disparait et est filtrée. Au fur et à mesure de la profondeur, elle perd donc de la puissance et également certaines ondes donc certaines couleurs. Pour résoudre ce problème, les photographes sous-marins utilisent des lumières ou des flashs afin de redonner de la puissance et de la couleur naturelle à la lumière. C'est ce que j'utilise. Mais pour ces photographies qui proposent de la lumière concentrée sur le sujet et laissent le fond noir, j'ai utilisé des "snoots". Ce sont des concentrateurs de lumière qui vont diriger la lumière vers une cible. Ici, le nudibranche et la murène. Il faut imaginer le "snoot" comme un cône que l'on fixe au bout des flashs. La sortie du snoot est un trou plus petit que dont on peut régler le diamètre. Lorsque les flashs sont déclenchés, la lumière se dirige vers la sortie du cône et si le photographe les a bien réglés, vont éclairer le sujet et laisser le fond de l'image sans lumière. Le résultat est la sensation d'avoir diriger des spots vers un sujet de la même façon qu'on le ferait d'un artiste sur une scène. Voilà pour les explications ! En espérant que le résultat vous plaise ! |
For this 179th edition of the @photofeed MacroPhotography competition, I am presenting two photographs taken with a special underwater lighting system known as "snoot" in the underwater photography industry. Under water, as you have noticed, the light disappears and is filtered. As the depth increases, it therefore loses power and also certain waves, thus certain colors. To solve this problem, underwater photographers use lights or flashes in order to restore power and natural color to the light. That’s what I use. But for these photographs that offer focused light on the subject and leave the background black, I used "snoots." These are light concentrators that will direct the light towards a target. Here, the nudibranch and the moray eel. You have to imagine the "snoot" as a cone that is fixed at the end of the flashes. The outlet of the snoot is a smaller hole whose diameter can be adjusted. When the flashes are triggered, the light moves towards the exit of the cone and if the photographer has set them correctly, they will illuminate the subject and leave the background of the image without light. The result is the sensation of having directed the spots towards a subject in the same way as one would do an artist on a stage. That’s it for the explanations! Hoping you like the result! |
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