Lesson: Types of Darkroom Entrances Flashcards
Types of a Darkroom Entrances
Single Door
Light Lock or Double Door System
Labyrinth or Maze Entrance
Revolving Door
Suitable for small Xray departments with limited personnel.
Single Door
The door must have a secure inside lock to prevent accidental opening during film processing.
Single Door
While effective, it requires strict control
to prevent light leaks.
Single Door
Consists of a small hallway
with two doors:
One door leads into the
darkroom.
The other is used as an
exit.
Light Lock or Double Door System
A mechanical interlock prevents both doors from being open at the same
time, ensuring that no light enters the darkroom.
Light Lock or Double Door System
This design allows continuous film
processing without interruptions.
Light Lock or Double Door System
Light Lock or Double Door System is consists of a small hallway with two doors:
One door leads into the
darkroom.
The other is used as an
exit.
A zigzag hallway leading into the darkroom, eliminating the need for doors.
Labyrinth or Maze Entrance
The maze structure prevents external white light from entering.
Labyrinth or Maze Entrance
Allows for better air circulation while maintaining a dark environment.
Labyrinth or Maze Entrance
Walls and ceilings are painted with non-reflective paint to reduce any unwanted light reflection
Labyrinth or Maze Entrance
Considered the most effective entrance design.
Revolving Door
Features a master door with two openings:
One from the outside.
One leading into the darkroom.
Revolving Door
The inside door has only one opening, ensuring light protection
Revolving Door
This design allows for uninterrupted workflow while preventing light leaks.
Revolving Door
Revolving Door features a master door with two openings:
One from the outside.
One leading into the darkroom.
Simple and effective
for small departments
Single Door
Ensures continuous
processing without
interruptions
Light Lock
Provides better air
circulation and
eliminates doors
Labyrinth
Most effective design
for uninterrupted
workflow
Revolving Door
