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mardi 1 mars 2011

11 photos de Yosemite

Je me considère chanceux d'avoir pu passer du temps dans cette magnifique réserve américaine. Un endroit vraiment magique.

Half Dome reflection Reflection shot of Half Dome in Yosemite Valley, Yosemite NP, California  view it on black with link below:  <a href="http://bighugelabs.com/flickr/onblack.php?id=2851816873&amp;size=large">View On Black</a>
Half Dome reflection par ©Steve Whiston

P2121131
P2121131 par ©E. Howe

Concerning Squirrels California ground squirrels, <i>Spermophilus beecheyi</i>, Tuolumne Meadows, Yosemite National Park, California.
Concerning Squirrels par ©Jim

Yosemite Falls, Yosemite National Park (#14) Yosemite Falls is the highest measured waterfall in North America. Located in Yosemite National Park in the Sierra Nevada mountains of California.  (Wikipedia)  3xp HDR  See also : <a href="http://www.flickr.com/photos/chanc/3489773792/">Lower Yosemite Falls</a> | short <a href="http://www.vimeo.com/album/90842">HD videos</a> shot during my trip to Yosemite.  Top Explore Position : 14 | See more of my <a href="http://www.flickr.com/photos/chanc/sets/72157600328685213/detail/">Explored</a> photos.
Yosemite Falls, Yosemite National Park (#14) par ©Christopher Chan

General Sherman Largest tree in the world
General Sherman par ©Aaron Lavinsky

We are killers View todays post and how it was made on <a href="http://thegoldensieve.com" rel="nofollow">thegoldensieve.com</a>  Diamonds on the firmament above Yosemite. Down, down, down from Glacier Point and the throngs therein, we stopped at the stunning vista of &quot;Tunnel View,&quot; deserted in the pitch of evening.  Jupiter rises above the Bridalveil and next to the road I set up my tripod and took a 50-megapixel panorama of the glowing heavens reeling above the cathedral walls of that valley we call <em>Yosemite,</em> which in fact means <a href="http://www.yosemite.ca.us/library/origin_of_word_yosemite.html" rel="nofollow"><strong>&quot;they are killers&quot;</strong></a> in the tongue of the Ahwahneechee.  No photograph or words can yet express what peace comes from viewing such a spectacle.  The sky was so clear that you can readily see the image of the Andromeda galaxy above the twinkling lights of climbers spending the night on the sheer and pale face of <em>To-tock-ah-noo-lah</em>. Indeed, we are killers.  At times I think places like this, overrun and overwrought with people and development are nearly or already dead.  Yet I come and in that way, I too am a killer.  There is something to be said for the role of engine Yosemite plays again and again in the conservancy movement, and maybe we havent sinned as deeply as I think.  Perhaps there is room for us all on the valley floor, provided we are willing always to ask if we have killed and what we can do to atone for that sin. Click on the photograph to go to Flickr - leave a note on all the stars and constellations you can name.  Scroll down past the image to see how it was made. <a href="http://www.flickr.com/photos/justinwkern/4990987593/"></a> This is a panorama of 18 or so individual images, crudely corrected for exposure individually in Lightroom and Photoshop and then stitched together in a program called PTGui Pro.  Each image was taken with my D700 at ISO 6400, 30 sec, 14mm, f/2.8.  The first step is to import the photographs into Lightroom:  First, we apply a linear point curve.  Great though it is, the 14-24mm f/2.8 at f/2.8 and 14mm exhibits significant light fall-off along the image corners and edges.  We now must correct this in Lightroom.  Scroll down to find the vignettes adjustments.  Youll see I adjust both the vignette and midpoint sliders.   Now we copy these settings and apply them to all images and export each photograph as a TIFF.  Now in photoshop we are going to define the black point using the levels adjustment.  Use the black dropper tool to select a part of the sky you want to drop all the way to black.  Youll see the sky is now starting to look normal, we now adjust the black, white and gray sliders to &quot;stretch&quot; the image a bit to reproduce it as I best remember it.  Here we see the final effect.  All that is left to do is to apply these levels to each of the images and stitch them together with a panorama program.  I used a <a href="http://en.wikipedia.org/wiki/Mercator_projection" rel="nofollow">Mercator projection</a> so as to keep the Milky Way straight and frame it within the darkened borders of the grand valley.
We are killers par ©Justin Kern

Mirror Lake, Yosemite National Park (#29) While Mirror Lake was only a short walk from the valley, it turned out to be quite a difficult spot to locate. When we first arrived at the lake area, it was raining and very overcast. So we walked right past the lake without knowing that it was there. We must have walked another 30 minutes past the lake before bumping into some other people who told us that we had past the lake.  Luckily for the unintended detour as shortly after we arrived back at the lake, the sky began to clear and the sun came out. A very fortuitous turn of events.  3xp HDR  Top Explore Position : 29 | See more of my <a href="http://www.flickr.com/photos/chanc/sets/72157600328685213/">Explored</a> photos.  See also : short <a href="http://www.vimeo.com/album/90842">HD videos</a> shot during my trip to Yosemite.
Mirror Lake, Yosemite National Park (#29) par ©Christopher Chan

"Curiosity" I took this one last month on my trip to Yosemite National Park. Those squirrels caught my attention, so i put a cracker on the rock which is taller than him, wait till he come over and have a glance at it, then point &amp; shoot.
"Curiosity" par ©Billy Wirawan

Yosemite Lower Falls Standing just to the left of the bridge that crosses the stream... It was tough trying to get a shot with tons of tourists around. I really liked the feel of the fallen tree on the left so I tried my best to include that in the frame while preserving the symmetry of the rock formation. Truly a magnificent waterfall.
Yosemite Lower Falls par ©Andrew Wong

El Capitan Yosemite National Park Hey thanks to everybody for all your views comments and favorites! The night before I was camped near the ocean in Pfeiffer Big Sur State Park and was rained on all night by this storm.  As I drove across California to Yosemite I could see the clouds clearing and thought that the timing could be just about right for sun. Sure glad I stopped for some chains! Try my new site <a href="http://jimbrekke.com/">jimbrekke.com/</a>
El Capitan Yosemite National Park par ©Jim Brekke

Lone Wolf This guy was out trail leader while hiking up to El Capitan in Yosemite National Park. He was cool with it as long as we stayed about 50 feet away.  stevenverlander.imagekind.com
Lone Wolf par ©Steven Verlander

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