Pressure Lens is a Upgraded Lens used to boost the Camera Obscura's power in Fatal Frame III: The Tormented. This function allows the camera to push enemies back while damaging them in the process.
In Fatal Frame IV: Mask of the Lunar Eclipse, Pressure is renamed to Push and only Misaki gains this lens. Unlike its previous iteration, Push will not damage an enemy but will still force them to teleport away temporarily. Misaki can use this to try and force an enemy to Blossom to help fill out the Spirit List.