Rack focus photography is great for shifting attention between subjects without moving the camera. With a shallow depth of focus, the rack focus makes it clear where we should look, since blur quickly envelopes everything but the subject at the intended focal depth.
Be sure the MEMENTO is powered off. The display should be dark and no LED lights visible from the top of the camera.
Place a microSD card into the microSD card slot.
Power on the camera.
New Code
This example and the Macro Photography example use new code not in the CircuitPython Fancy Camera program.
If your camera has the factory camera code, identifiable by a screen at left, you will need to install CircuitPython first. Go to the Install CircuitPython Page in this guide to do so. Then come back here to load the code.
Start by downloading the code and library files from the following link to your computer.
Connect your computer to the camera via a known good USB-C power+data cable. A new flash drive should show up as CIRCUITPY in your computer's File Explorer/Finder (depending on your operating system).
Find the code zip file you saved above and open it.
Drag the contents of the uncompressed bundle directory for the version of CircuitPython you're running (e.g., /examples/camera/CircuitPython 9.x/) onto your MEMENTO CIRCUITPY drive, replacing any existing files or directories with the same names, and adding any new ones that are necessary.
Use the Eject drive function of your computer to safely be able to remove the USB card reader from the USB port. On Windows, right click the drive and select Eject (see above).
Your camera should be ready to do Rack Focus and Macro Photography.
To return to the Fancy Camera application, go back to the Install Fancy Camera App page.
Rack Focus works best on two or more items spaced within one camera frame where the first item is far and subsequent items are nearer until the last item is closest.
Set the MEMENTO on a stable surface or attach it to a tripod. Line up your subjects from far to near.
Press the shutter release button on the top right of the camera.
The MEMENTO will snap pictures at the farthest to nearest depths.
Frames to GIFs
Turn off your MEMENTO via the power switch. Remove the microSD card from the MEMENTO and insert it into an SD card reader on your computer.
Copy the image files to a local directory. Then, you can turn the individual frames into a movie using video editing software, or stitch them into a GIF. This page shows you how to do just that!.
With this software loaded, you can also check out Macro Photography with Focus Stacking on the next page.
Page last edited March 26, 2024
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