playground:exposure_to_the_right_ettr
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playground:exposure_to_the_right_ettr [2014/01/25 12:14] – mgrant | playground:exposure_to_the_right_ettr [2014/01/25 12:20] – mgrant | ||
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**Show debug info**: ON OFF. Will show some of the important calculation results of this module. | **Show debug info**: ON OFF. Will show some of the important calculation results of this module. | ||
- | ==== Visual Feedback ==== | + | ====== Visual Feedback |
If you want more visual feedback to see how the image is (and you will need it for **Always on** and **Auto snap**), enable histograms and raw zebras: | If you want more visual feedback to see how the image is (and you will need it for **Always on** and **Auto snap**), enable histograms and raw zebras: | ||
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Also in the **Overlay Tab** you can scroll to **Zebras**, press **Q**, and make sure that **RAW zebras** are ON. The **RAW zebras** will show on the image itself to mark the areas where a color channel may be overblown. | Also in the **Overlay Tab** you can scroll to **Zebras**, press **Q**, and make sure that **RAW zebras** are ON. The **RAW zebras** will show on the image itself to mark the areas where a color channel may be overblown. | ||
+ | {{: | ||
- | + | ====== Step by step intructions ====== | |
- | ===== Setting it up ===== | + | |
ETTR in RAW images | ETTR in RAW images | ||
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12. Press trash button to exit ML menu. | 12. Press trash button to exit ML menu. | ||
- | ===== Usage ===== | + | ====== Usage ====== |
You are highly recommended to use a tri-pod or other support. | You are highly recommended to use a tri-pod or other support. | ||
- | ==== Always On mode ==== | + | ===== Always On mode ===== |
1. Frame you subject and set the aperture (for the DOF) and shoot a test photo. | 1. Frame you subject and set the aperture (for the DOF) and shoot a test photo. | ||
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3. Shoot another a photo and repeat to step 2 until your photo is not over exposed (few or no zebra lines, and the exposure curve up to the right side of the graph). | 3. Shoot another a photo and repeat to step 2 until your photo is not over exposed (few or no zebra lines, and the exposure curve up to the right side of the graph). | ||
- | ==== Auto snap mode ==== | + | ===== Auto snap mode ===== |
1. Frame you subject and set the aperture (for the DOF). | 1. Frame you subject and set the aperture (for the DOF). | ||
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3. Now look at the display and you should see the second image with the histogram and the zebras in the over exposed areas (if you enabled them). | 3. Now look at the display and you should see the second image with the histogram and the zebras in the over exposed areas (if you enabled them). | ||
- | ==== Press Set and HalfS DblClick modes ==== | + | ===== Press Set and HalfS DblClick modes ===== |
1. Frame you subject and set the aperture (for the DOF). | 1. Frame you subject and set the aperture (for the DOF). | ||
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4. Do not recompose your shot. Shoot the scene. | 4. Do not recompose your shot. Shoot the scene. | ||
- | ==== Using the histogram ==== | + | ===== Using the histogram |
Inside this histogram you may see near the top-left of the graph, in white lettering, the letter E followed by a number which represents how far you can go, in EV numbers, to reach ETTR, i.e E1.2 | Inside this histogram you may see near the top-left of the graph, in white lettering, the letter E followed by a number which represents how far you can go, in EV numbers, to reach ETTR, i.e E1.2 | ||
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If the camera beeps it means that the photo is out of specs and you should shoot again. | If the camera beeps it means that the photo is out of specs and you should shoot again. | ||
- | ===== Convergence to results ===== | + | ====== Convergence to results |
With the **Always on** and **Auto snap** setting which takes images, it may require at least two images (sometimes three or four) to come up with the proper exposure. | With the **Always on** and **Auto snap** setting which takes images, it may require at least two images (sometimes three or four) to come up with the proper exposure. |
playground/exposure_to_the_right_ettr.txt · Last modified: 2014/01/25 12:23 by mgrant