playground:playground
Differences
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playground:playground [2014/01/21 20:13] – mgrant | playground:playground [2014/01/25 10:09] – mgrant | ||
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This is work in progress before it gets inserted into the main doc page. | This is work in progress before it gets inserted into the main doc page. | ||
- | * Exposure helpers: [[#Exposure to the right (ETTR)|ETTR]], | + | * Exposure helpers: [[Exposure to the right (ETTR)|ETTR]], |
====== Exposure to the right (ETTR) ====== | ====== Exposure to the right (ETTR) ====== | ||
- | Exposure to the right (ETTR) is a technique of setting the exposure of a scene such that few or no pixels are are over exposed (blown out) thus maximizing the information captured without loosing information to over-exposure. | + | Exposure to the right (ETTR) is a technique of setting the exposure of a scene such that few or no pixels are are over exposed (blown out) thus maximizing the information captured without loosing information to over-exposure. |
+ | |||
+ | For more information on ETTR, see these articles on Luminous Landscape: | ||
+ | * http:// | ||
+ | * http:// | ||
There are two methods (three really) of using ETTR: | There are two methods (three really) of using ETTR: | ||
- | The first method involves taking 2 images. | + | The first method involves taking 2 images. |
The second method uses the live view momentarily to run through a series of exposures until the exposure is correct without taking a photo. | The second method uses the live view momentarily to run through a series of exposures until the exposure is correct without taking a photo. | ||
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{{: | {{: | ||
- | Pressing the **Q** button brings you to the settings menu of the ETTR function: | + | Pressing the **Q** button brings you to the settings menu of the ETTR function |
- | + | ||
- | {{: | + | |
==== The Settings ==== | ==== The Settings ==== | ||
+ | |||
+ | {{: | ||
**Trigger mode**: Always ON, Auto Snap, Press SET, HalfS DblClick. | **Trigger mode**: Always ON, Auto Snap, Press SET, HalfS DblClick. | ||
- | * **Always on** means that every time you take a picture the image is displayed in the LCD monitor with an analysis of the image and the shutter speed and ISO are set for the next shot. | + | * **Always on** means that every time you take a picture the image is displayed in the LCD monitor with an analysis of the image and the shutter speed and ISO are set for the next photo. |
* **Auto snap** means that every time you take a picture the image is displayed in the LCD monitor with an analysis of the image, and that if the results are not adequate it will automatically take another image. | * **Auto snap** means that every time you take a picture the image is displayed in the LCD monitor with an analysis of the image, and that if the results are not adequate it will automatically take another image. | ||
- | * **Press SET** means that every time press the SET button the current scene is displayed in live view, the image is analyzed by stepping through a series of exposure settings. | + | * **Press SET** means that every time press the SET button the current scene is displayed in live view, the image is analyzed by stepping through a series of exposure settings. |
* **HalfS DblClick** | * **HalfS DblClick** | ||
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For Timelapse set it to **Always on**. | For Timelapse set it to **Always on**. | ||
- | With **Always on** and **Auto snap**, you should definitely enable Zebras and Histogram to see if the settings it choose are correct. | + | With **Always on** and **Auto snap**, you should definitely enable Zebras and Histogram to see if the settings it choose are correct. |
**Slowest shutter**: 1/60 The slowest shutter that will allow for the current scene. . For a night time lapse set it to 30 seconds. | **Slowest shutter**: 1/60 The slowest shutter that will allow for the current scene. . For a night time lapse set it to 30 seconds. | ||
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==== The Advanced settings ==== | ==== The Advanced settings ==== | ||
+ | |||
+ | {{: | ||
**Exposure Target**: A general exposure target for the scene, | **Exposure Target**: A general exposure target for the scene, | ||
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==== Visual Feedback ==== | ==== Visual Feedback ==== | ||
- | If you want more visual feedback | + | If you want more visual feedback to see how the image is (and you will need it for **Always |
- | In the **Overlay Tab** you can scroll down to Histogram and press **Q** to configure: | + | In the **Overlay Tab**, first make sure **Global Draw** is: **On, all modes**. |
+ | |||
+ | Then in the **Overlay Tab** you scroll down to **Histogram** and press **Q** to configure: | ||
+ | |||
+ | **RAW EV indicator**: | ||
+ | |||
+ | 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. | ||
- | RAW EV indicator: OFF Here you can press the set button and select ETTR hint. This will display in the RAW histogram a hint of how many more EVs you can expose to meet the ETTR parameters set in previous menu. | ||
- | 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. | ||
===== Setting it up ===== | ===== Setting it up ===== | ||
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1. Frame you subject and set the aperture (for the DOF). | 1. Frame you subject and set the aperture (for the DOF). | ||
- | 2. Press the shutter. | + | 2. Press the shutter. |
- | 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 | + | ==== Press Set and HalfS DblClick |
1. Frame you subject and set the aperture (for the DOF). | 1. Frame you subject and set the aperture (for the DOF). | ||
- | 2. Press the Set button or quickly half-press the shutter release twice | + | 2. Press the Set button or quickly half-press the shutter release twice depending on the mode. |
- | 3. The camera will go into live view mode and will step through a series of exposures trying to choose | + | 3. The camera will go into live view mode and will step through a series of exposures trying to find the proper exposure for the scene and then the camera will go out of live view mode. |
- | 4. Shoot the scene. | + | 4. Do not recompose your shot. |
==== Using the histogram ==== | ==== Using the histogram ==== | ||
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If you also enabled RAW zebras via Global draw, you will also see, if any, areas of the image are over-exposed. | If you also enabled RAW zebras via Global draw, you will also see, if any, areas of the image are over-exposed. | ||
+ | |||
+ | ===== References ===== | ||
+ | |||
+ | * http:// | ||
+ | * http:// | ||
+ | * http:// |
playground/playground.txt · Last modified: 2022/05/13 16:55 by WBOX4