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stacker:docs:tutorials:usingmagiclantern [2012/09/15 16:47] rjlittlefield |
stacker:docs:tutorials:usingmagiclantern [2014/10/05 00:24] rjlittlefield |
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| - | ====== Using Magic Lantern Firmware on Canon DSLR ====== | + | ====== Using Magic Lantern To Step Focus On Canon DSLR ====== |
| [[http://en.wikipedia.org/wiki/Magic_Lantern_%28firmware%29#Magic_Lantern|Magic Lantern]] is a free and open source firmware add-on that extends the functionality of many Canon DSLRs to provide automatic acquisition of focus stacks by controlling the motor inside automatic-focus lenses. Magic Lantern has many other features and can be difficult to learn, so we're providing here a quick recipe for how to use just the focus stacking feature. | [[http://en.wikipedia.org/wiki/Magic_Lantern_%28firmware%29#Magic_Lantern|Magic Lantern]] is a free and open source firmware add-on that extends the functionality of many Canon DSLRs to provide automatic acquisition of focus stacks by controlling the motor inside automatic-focus lenses. Magic Lantern has many other features and can be difficult to learn, so we're providing here a quick recipe for how to use just the focus stacking feature. | ||
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| - Press the Trash button to show Magic Lantern menus. | - Press the Trash button to show Magic Lantern menus. | ||
| - Press left/right arrows around the SET button to select the Focus menu. | - Press left/right arrows around the SET button to select the Focus menu. | ||
| - | - Press up/down arrows to select "Focus StepSize" entry. Press SET button repeatedly to cycle the StepSize 1,2,3,1,2,3... 2 is typically a good setting. | + | - Press up/down arrows to select "Focus StepSize" entry. Press SET button repeatedly to cycle the StepSize 1,2,3,1,2,3... \\ 2 is typically a good setting. |
| - Press up/down arrows to select "Focus StepDelay". Press SET button repeatedly to cycle the StepDelay through a range of delays. 80 ms works well. | - Press up/down arrows to select "Focus StepDelay". Press SET button repeatedly to cycle the StepDelay through a range of delays. 80 ms works well. | ||
| - Press up/down arrows to select "Stack Focus", then press Live View button to bring up a "Stack focus" mini-menu. Press up/down arrows to select "Step Size". Press Play to decrease value and SET to increase value. Value of 1 (with StepSize=2) is typically a good value for f/11 with a Canon 100 mm macro lens. Press Live View to get rid of the mini-menu. | - Press up/down arrows to select "Stack Focus", then press Live View button to bring up a "Stack focus" mini-menu. Press up/down arrows to select "Step Size". Press Play to decrease value and SET to increase value. Value of 1 (with StepSize=2) is typically a good value for f/11 with a Canon 100 mm macro lens. Press Live View to get rid of the mini-menu. | ||
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| Magic Lantern works properly with Canon EOS Utility to automatically transfer captured images to a computer when tethered on a USB connection. This allows use of the Stack New Images (PMAX) feature of Zerene Stacker to process the stack while it is being shot. | Magic Lantern works properly with Canon EOS Utility to automatically transfer captured images to a computer when tethered on a USB connection. This allows use of the Stack New Images (PMAX) feature of Zerene Stacker to process the stack while it is being shot. | ||
| - | Note: for Stack New Images, it's better to start at the front of the image when focusing this way. If you start at the back you're liable to get edge streaks. At least that's case for the Canon 100 mm macro lens. | + | Note: for Stack New Images, it's better to start at the front of the image when focusing this way. If you start at the back you're liable to get edge streaks. At least that's the case for the Canon 100 mm macro lens. |