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Light Painting

Star Trails and White Bark Pine – Crater Lake National Park

 Crater Lake, Crater Lake National Park, Light Painting, National Parks, Night Photography, Nikon D3x, Oregon, Photography Technique, Robert H Clark Photography, Star Trails  No Responses »
Sep 282011
 

Star Trails over White Bark Pine, Crater Lake National Park.

Hi everyone and welcome to today’s post. In my last post I promised to leave the waterfalls for a bit and post something “other worldly”. I think today’s star trail shot qualifies for “other worldly”. I was at Crater Lake National Park about a month ago and found it to be one of the darkest places I have ever been. The night sky was amazing and every evening you could see the Milky Way glowing brightly and stretching across the sky from horizon line to horizon line. I did not anticipate shooting a star trail shot but after I found this amazing remnant of a white bark pine I had to give it a go. The tree clings to an out cropping of rocks along the crater rim and can be found on the West Rim Drive at an overlook near Hillman Peak. Despite the dark sky I still had an issue with the ambient light coming from the Crater Lake Lodge which can be seen in the lower right hand side of the image. But after working on the file I came to like the amber glow that frames Garfield Peak. You can also see part of the Milky Way which is the blurred area in the upper right.

Technical Details: Image was shot with a Nikon D3x and a Nikkor 15mm Rectilinear Lens. The image was pre-framed when I still had some light. The 40 minute, one-take, exposure was made at ISO 400 at f5.6. I started the exposure at 9:30 which was well after astronomical twilight to ensure a very dark sky.  I used an electronic release with a timer to make the exposure. With 3 minutes to go I light painted the pine using an 80 lumen LED flashlight. I shone the light through my moving fingers which acted as a light diffuser. Just a word of caution when working with single exposure star trails. Make sure you do not turn off your camera after the exposure is made. After your shot the camera will take the same amount of time as your exposure time to process the image. Final processing was done in Photoshop and consisted of a series of layer to bring out details in the tree and the star trails. A small amount of noise reduction was also performed.

Thank you for stopping by today.

Bob

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Yucca at Twilight – White Sands National Monument

 Landscape, Landscape Photography, Light Painting, National Parks, New Mexico, Photography Technique, Photography Trips, Singh-Ray Filters, Sony α900, Split Neutral Density Filters, sunset, Twilight Photography, White Sands National Monument  2 Responses »
Dec 112010
 

Yucca at Twilight, White Sands National Monument, New Mexico. Shote with a Sony α900 and a Sony SAL 20mm lens. Image exposed at ISO 100 at f16 for 3.0 seconds

Hi everyone and welcome to todays post. The image is only meant to “wet your appetite” and ask you to visit the Singh-Ray Blog where an article I wrote on White Sands, along with five of my images, will be posted next Tuesday. Most of you who have followed my blog and my work know that I rely heavily on my Singh-Ray Split Neutral Density Filters. I never leave home without them. I started using them years ago when I was primarily shooting  4 x 5 and needed the filters to help balance difficult exposure scenarios between skies and foregrounds. My desire to get things right in-camera is still prevalent in my workflow today. While I have the ability to combine images in photoshop I still prefer to get the shot in one capture. My basic filter set includes the 2, 3, and 4-Stop, Soft Edge, Split Neutral Density Filters, and 3, and 4-Stop Daryl Benson Reverse Split Neutral Density Filters. The article next week on Singh-Ray’s Blog talks about these filters and how I used them to capture a series of dune images at “the edge of light”. So head on over next Tuesday and check it out. Let me know what you think.

As to todays image it is a classic shot of a yucca out in the dunes. While you can find them all over the dunes it is sometimes hard to find them in good condition or without a lot of footprints around them. Getting out and away from the parking areas will yield some good results. this plant has already bloomed and has left behind the beautiful orange color seed heads. The idea of cool and warm colors is exhibited in this image. The cool blue colors of the sky are reflected in the dune shadows and compliments the warm colors of the grass and the seed heads. To help me warm up the yucca I used my 200 lumen flashlight on the yucca during the exposure. The technique is pretty simple. You can’t just shine the light on the plant as it would overpower the effect and cause some severe shadowing. The best way is to hold the flashlight in one hand and shine it through the fingers of the other hand. As you do so move your fingers s this helps deflect and soften the light striking the plant. Additionally, move up and down your subject so as not to concentrate too much light in one area. Done correctly it should have a natural appearance. It is a great techniques to use at twilight to help add light to a darker area.

Thanks for stopping by today. Don’t forget to check out my other shots next week over on the Singh-Ray Blog.

Bob

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