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Forum: Pentax K-1 & K-1 II
07-17-2017, 10:01 PM
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Good point. I did not have a guided mount and was using a regular tripod. Based on the framing of my pictures, I have apparently adjusted the mount once during totality. A guided mount would of course help but is not essential.
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Forum: Pentax K-1 & K-1 II
07-17-2017, 10:24 AM
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I took the two shots below during the 2012 eclipse in Australia.
Both are single frame, with no HDR or exposure blending.
I was using a solar filter to take shots pre-totality, first to take shots of the eclipse of course, but most importantly to make sure that I was getting the focus right. I took the solar filter out shortly before the totality. I then kept on shooting during the totality, using a remote control. I did not change the settings much as I also wanted to enjoy the eclipse with my own eyes. I still ended up taking about 150 shots in 3 minutes.
The shot showing the "diamond ring" phenomenon was taken at 1/60s, f/8.0, iso 200.
The shot with the corolla was taken at 1/15s, f/8.0, iso 200.
Camera: K-5
Lens: Sigma 100-300mm f/4.0, at 300mm, with TC x1.4. The two pictures are cropped a bit, but not much, and the focal length of 420mm on APS-C was great.
Setting modes: RAW!!! Please don't use JPEG. Manual exposure. Bracketting, with 5 exposures 2EV. Noise Reduction Off.
The settings of the base exposure changed a bit, from 1/30s to 1/250s (f/8 and iso 200) based on the first results.
When going through all my pictures now, I will probably use a base exposure time of 1/200s, f/8.0, iso 400 and use the same approach, with a remote control which I keep on pressing during totality. Fortunately in 2012 there was no wind, the shake reduction worked very well, and my pictures are sharp, but exposure times of 1/60s to 1/15s are a bit slow for this focal length.
Feel free to ask if you have any questions.
I'm very happy with these shots, and don't think I can do better for the upcoming eclipse. But I'll be flying to the US to enjoy the show. Oregon and Washington here I come! :-)
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