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Forum: General Photography
08-22-2017, 07:15 PM
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JimS_256,
You're welcome. That's a great diamond ring shot!!
(astro)Dave
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Forum: General Photography
08-17-2017, 08:25 PM
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Lots of folks are wondering about how to photograph the eclipse in a few days.
My original post (So you wanna photograph the Eclipse - what you need to know in (sorta) a nutshell - PentaxForums.com) and references there-in (especially that of Espenak, at the end)) should get you started.
If you want to practice a bit, there is a nice batch of sunspots at the moment. See this NASA website for the latest: SDO/HMI Continuum Image . You can click on the image to enlarge it.
If you can get nice sunspot pictures - i.e. good contrast, good resolution (consistent with your camera and lens), no overexposure of the rest of the solar disk - you should have the right exposure for ALL non-totality phases of the eclipse. There is little variation in the brightness of the sun across its face, except some limb darkening near the edge - so you might want to increase your exposure a bit (I'd guess no more than one or two stops) for the few minutes just before/after totality. If you already have the central sun to the right of your histogram, I would just leave things alone and bump up the brightness in post if you feel it is necessary. There will be enough going on in those few minutes that you don't want to fool around changing settings unnecessarily!!
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