Camera and Point Light
Follow this page if using a camera and point light.
We recommend using the SmallRig RM-01 Waterproof Portable Photography Light. For a more even illumination, it is recommended to remove the internal Fresnel lens. See instructions below:
Diffusion Modification
Use a small allen key to open the front housing of the light.
Carefully remove the fresnel lens.
Reassemble the front cover.
This results in a softer and more uniform light distribution, reducing hot spots and improving surface consistency for photogrammetry.
Overview
Light Output and Working Distance - Tips on the type of asset to capture.
Camera Setting Considerations - Control your camera settings.
Markers - Including if you have knocked a marker during scanning.
Consistent Focus - Focus on the subject, not the background.
Overshooting - It is better to overshoot and delete images later.
Capturing with a Point Light
Firstly it is important to make sure you have created the relevant presets for exposure and light calibration. Manual settings should be kept on at all times.
Most point lights like the one we recommend above has limited output power, when the camera is positioned more than 0.5m away from your object, noticeable light fall-off may occur.
Light Output and Working Distance
As mentioned above, keep an eye on the light output and adjust the working distance. The light is best suited to small objects and macro-scale capture.
It is recommended to operate the light at full power.
Camera Setting Considerations
Use a low ISO to minimise noise.
Use a high f-number (small aperture) to maximise depth of field.
Taking into account the above settings will mean:
You will need to use a slow shutter speed.
A tripod or rigid camera mount to avoid motion blur.
Markers
Including markers in your scene will help for scale and camera alignment. We recommend taping down your markers to avoid any movement.
Moved a marker during scanning?
If you a part way through a scan, and move a marker, but haven't taken more photos - remove this marker from the scene and place it out of shot. This will avoid any issues when performing a 3D solve.
If you are part way through a scan, and have taken lots of picture of the markers moved - either reshoot the capture, or make a note of which markers were moved, and remove them from marker detection when performing your 3D solve later.
Consistent Focus
Ensure you're camera focuses on the subject not the background.
Pro Tip: Overshooting
It is better to overshoot and delete images when doing your 3D solve, than undershoot and not be able to go back to your location
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