hi, I have a roll of Inford SFX 200. I know it is a B&W film with extended sensitivity into the near infrared at 740nm. I have never used this film before and was wondering what is the best use for this film? Should I use any filters? I think they suggest red - what strength? Does the in-built camera metre work sufficently for this film or do I need to take into account any exposure errors? Also I believe you develop this film in the normal processes in the darkroom? If there is any other information I should know about it please let me know. Thanks!