FFIV Camera function
Japanese name装備機能「測」
Romaji nameSoubikinou Soku
Equipment typeEquipped function
Description"Displays a ghost's HP" (FFIII)
EffectDisplays a hostile ghost's current health
LocationOsaka House: Sunken Fireplace Room (FFII)
Partitioned Room (FFIII)
Rougetsu Hall: Room 203 (FFIV)
AppearancesFatal Frame II: Crimson Butterfly
Fatal Frame III: The Tormented
Fatal Frame IV: Mask of the Lunar Eclipse

Measure, in Japanese Soku (measure, fathom), is one of the various functions that can be equipped on to the Camera Obscura. This function allows the nearest hostile ghost's health to be displayed while they are within the Capture Circle. The ghost's health appears as a small yellow meter that depletes as damage is dealt.

The "measure" function is first seen as an obtainable function in Fatal Frame II: Crimson Butterfly, as the ability to sense the ghost's health was already built into the camera in Fatal Frame.

Fatal Frame II: Crimson ButterflyEdit

The "measure" function can be acquired early on in the game, at the beginning of Chapter II. After seeing Mayu walk outside of the Osaka House, the function can be picked up close to the fireplace in the Sunken Fireplace Room.

Fatal Frame III: The TormentedEdit

The "Measure" function here, is obtained relatively late and can easily be missed, as it requires optional steps. After Yoshino Takigawa isolates herself in the Partitioned Room in Hour VI, her photo must be taken and developed in Rei's house. Afterwards, on Hour IX, a battle with Stroller Grandma will be triggered in the Foyer. When defeated, she will drop the Notched Arrow Key, which can be used to enter a secret passageway from the Foyer to the barred area in the Partitioned Room. Once there, Yoshino Takigawa will attack, dropping the "measure" function and a photo when dealt with.

Fatal Frame IV: Mask of the Lunar EclipseEdit

Camera function1

The old image of the camera functions

In Fatal Frame IV, the "measure" function can be found on Chapter 2. It is sitting on a desk in Room 203 of Rougetsu Hall, Madoka Tsukimori's room.


  • Like many other items, the design of the camera functions were changed in Fatal Frame IV. The new design is essentially the same with a bit more detail and darkened colors.

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