JIS Classifications for Pentax Products

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Class Level Description Defintion Pentax Models
JIS CLASS 0
  Non-protected  
JIS CLASS 1 Protected against vertically falling water drops Vertically failing drops shall have no harmful effects  
JIS CLASS 2
Protected against vertically falling water drops when enclosure tilted up to 15% Vertically falling drops shall have no harmful effects when the enclosure is tilted at any angle up to 15º on either side of the vertical  
JIS CLASS 3
Protected against spraying water Water sprayed at any angle up to 60º on either side of the vertical shall have no harmful effects  
JIS CLASS 4
Protected against splashing water Water splashed against the enclosure from any direction shall have no harmful effects DCF HS
DCF MCII
JIS CLASS 5
Protected against water jets Water projected in jets from any direction against the enclosure shall have no harmfull effects.  
JIS CLASS 6
Protected against powerful water jets Water projected in powerful jets against the enclosure from any direction shall have no harmful effects DCF HRII
DCF MP
DCF SP
DCF XP
UCF WP
PCF WP II
Spotting Scope
JIS CLASS 7
Protected against the effects of temporary immersion in water Ingress of water in quantities causing harmful effects shall not be possible when the enclosure is temporarily immersed 'in water under standardized conditions of pressure and time  
JIS CLASS 8
Protected against the effects of continuous immersion in water Ingress of water in quantities causing harmful effects shall not be possible when the enclosure is continuously immersed in water under conditions which shall be agreed between manufacturer and user but which are more severe than for class 7