Internal Camera Parameters issue

Hello, I recently processed the images as Pix4D. 

In the initial step, I want to use only initial values which are the internal camera parameters for the first step process. but Pix4D changed automatically the initial values to optimized values 

Would I use only the initial values ??

if I would, how to use the option?



If you do not want the software to optimize any internal parameter, you have to use “None” as “Internal Parameters Optimization” (please see below).

By default, “All” is selected which means that new parameters will be computed.

More information can be found here.