Camera model implications?

I would like to know the difference’s of the camera models, especially between fisheye and brown.

Comparing the resulting files there’s a lot of difference in the amount of data, the result from brown has a lot more data.

Bonus question:

Are rectilinear wide angle lenses good for photogrammetry?

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The models need to be appropriate for the lens used to capture the data. They’re a means to seed the lens coefficients and reconstruction.

I have some of them documented in our docs:

If you choose the wrong lens model for a certain set of data, you’ll get wildly varying reconstructions (if it doesn’t fail).

They should be!

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