How to set an object to block the view even when it is transparent

[nemodao]

※ I use a translator because I live abroad. Please let me know if the translation is wrong or there is something strange!

True to the title, I want the transparent wall to block the player’s view.

If I increase the transparency of the object, the field of view will pass through as above. Can you tell me how I can block the view, but make the walls transparent?

[TimTsuki]

try using forcefield walls, even if they are see-throught, the camera can’t pass them. althought the performance may be in a higher use