Napioa - Wind Origins

Napioa - Wind Origins
by octopus                

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Noise is only peripherally about ISO. What really determines noise is the Signal-to-Noise Ratio. The reason we assume high ISO is noisier is because we normally use high ISO when the signal (the amount of light falling on the sensor) is weak. But shooting at high ISO when there is plenty of light in a scene will produce less noise than shooting at low ISO ...


The Photographer's Ephemeris ( The desktop version is a web app, and they also have iOS and Android versions. I plan every 'proper' shoot I do with it.


I use SunCalc. Probably one of the prettier browser based ones out there.


First some notes about dynamic range. Timelapses of sunrises or sunsets are tricky because of the huge dynamic range that you can capture. My (unscientific) tests showed me that capturing smooth gradients of the sky as well as details in the shadows would require a camera with 20 stops of dynamic range or more. This camera doesn't exist. But worse, your ...


I find the following websites to be useful: Calculation of sun’s position in the sky for each location on the earth at any time of day Twilight Calculator - "Blue Hour / Golden Hour Table" The first is aimed more towards solar panel installation than photography, but gives information about sun angle that the second, more popular site doesn't...

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