Lake Tenaya at Night

On a memorable evening close to the 2007 summer solstice, I climbed down from the top of Lembert Dome as the sun set. On my way to the Olmsted Point area to photograph star trails over Half Dome, I stopped to photograph the shores of Lake Tenaya by starlight. This was a 3 1/2 minute exposure with the ISO boosted to 640.

The photo below shows the view of Lake Tenaya from more-or-less the same spot in daylight hours.

Besides ambient starlight, you can see a couple of exogenous light sources in this photo: car headlights in the distance on Route 120, and the light trail of a satellite traversing up the right-hand side of the sky.

[24mm in 35mm terms, 210 seconds at f/4 and ISO 640, tripod mounted.]

Lake Tenaya

View this image larger.

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