I'm going to show you how to take incredible night photos.
CALCULATION OF THE EXHIBITION:
The ideal is to get as much exposure as possible to the first one without having to make many long exposure photos that will overheat the sensor. For that we begin by setting a very high sensitivity, opening the diaphragm as much as possible and calculating the exposure for the sky.
Suppose that for ISO 6400 and f / 2.8 gives us an exposure of 30 seconds, using the table of reciprocity we will have the following:
ISO 6400> 30 sg
ISO 3200> 1 minute
ISO 800> 4 minutes
ISO 400> 8 minutes
ISO 200> 16 minutes
If you are going to photograph with a more closed diaphragm, f / 4 for example, you should continue increasing the exposure, twice for each diaphragm point you close.
If we have flash hand and adjust it to illuminate objects close to ISO 200 and f / 2.8 we can create some spectacular photographs. Extending or cutting the exposure can make the sky lighter or darker.
And now, you only have to go out (at nigth) and enjoyind taking awesome photos.
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