When the circumstance with a few smooth dark big contrast, the cameraman that has experience is met commonly come through adjusting exposure to compensate exact exposure. But when factitious setting hard to avoid can have occurrence mistake. Want to get exact exposure, must carry surround exposure.
One, surround exposure (Bracketing, BKT)
Surround the exposure that exposure says simply even if we take a piece of moderate first, pat a piece to owe again expose to the sun to pass the photograph that expose to the sun with a piece. Through later period synthesis is the picture with a piece of most exact exposure finally.
Zun Tu (- 1EV) can retain detail of bright ministry detail, the in can be being withheld ash intermediate, right scheme (+ 1EV) can withhold dark ministry detail, each detail after synthesis are able to withhold very well.
1, when undertaking surrounding exposure, camera still can undertake exposure compensates an operation adding decreasing.
2, the order that the setting surrounds exposure, film every time namely owe expose to the sun " - " , standard " 0 " , expose to the sun too " + " ordinal.
3, it is OK to surround exposure the setting films 2 pieces, 3 pieces, 5 pieces, the picture of 7 pieces of different exposure. Exposure difference is OK oneself are installed, for instance class differs 1/3EV, 1EV, 2EV to wait.
2, later period synthesis
Open software Photoshop -- find " file " -- find " automatic " -- click " incorporate HDR. . . " guide after the photograph, do not think the word of overmuch setting, nod all the time affirmatory can.
3, summary
1, the result that assures to film many pieces illuminate an ultimate synthesis to achieve exacter exposure, exacter shade, more detail to withhold below complex light.
2, the light exposure that sets different level difference, film many pieces, choose the most satisfactory exposure picture from which.
Hope to be helped somewhat to everybody!
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