It is a device that functions by recording images onto photographic film, however, the Camera Obscura is unique due to its ability to exorcise spirits.

By utilizing the various exorcismal powers of the Camera Obscura, one is able to fend off hostile ghosts, as well as capture lingering spirits and receive helpful clues from ghosts that desire to communicate.

Special lenses are also used to cause varying degrees of damage and inflict statuses on ghosts. These lenses can be used when the proper amount of spirit power has been stocked and can be used by pressing a specific button.

Which they have three categories: Red, Green and Blue

• Blow

Seventh Drop - Maiden of Black Water (Twilit Peak - Sacrificial Mound)

• Crush

Fourth Drop - Spirited Away (Shrine of Dolls 1F - Front Shrine)

• Stun

Second Drop - Mt.Hikami (Pool of Purification)

• Zero

Twelfth Drop - To the Other Side (Shrine of the Ephemeral 1F - Hanging Well)

• Butterfly

Clear the game once.

• Fatal

Get both of Yuri's endings while wearing her Kimono.

• Restore

Fourth Drop - Spirited Away (Lower Storeroom - Memento Cloister)

• See

Complete 100% of the Ghost list.

• Bind

Eleventh Drop - The Shadowborn (House of Joining - Wedding Votive Altar)

• Reward

Seventh Drop - Maiden of Black Water (Rear shrine)

• Slow

Sixth Drop - Immortal Flower (Lattice Window Hallway)

• Voice

Complete 100% of the Archives.

• 8-Shot Ability (Ren's Camera)

Upgrade Ren's Snapshot Enhancement.

• Evade

Second Drop - Mt.Hikami (Unfathomable Forest - Pure Water Bridge)

• Festival

Clear all ranked missions in Normal & Nightmare difficulty with a SS rank.

• Infinite

Clear all ranked missions in Normal & Nightmare difficulty.

• Measure

Third Drop - Postmortem Photography (Hojo Residence Study)

• Switch

Second Drop - Mt.Hikami (Pool of Purification)

With this knowledge you are ready to photograph like a true Gangsta.

• The name "Camera Obscura" is for "Darkened Chamber" (in Latin).
  
• Lens is decorated with symbols representing "The 13 Buddhas" - A series of Funeral Rites.
  
• Capture Circle in Fatal Frame II is decorated by symbols of the Japanese Zodiac such as:
  "Rat" (子), "Dragon" (辰), "Snake" (巳) and "Tiger" (寅)