The film holder is used to hold a standard film normal to the beam of radiation. The film can be positioned on the beam anywhere from isocenter to 27.5 cm beyond isocenter. The film can be indexed quickly and easily to eight different positions.
![[SRT filmholder photo]](../images/filmhold.jpg)
The film holder is used to hold a standard film
normal to the beam of radiation. The film can be positioned on the beam
anywhere from isocenter to 27.5 cm beyond isocenter. The film can be indexed
quickly and easily to eight different positions.