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thanks, Steve.

yes, ur instruction is helpful. I know what happened to the film. thanks~

thanks Neal~~

thanks~~a lot~~

Hi Ethan

Yes, MOD54 is the film holder i am using on paterson.

I load film in/out holder in changing bag.

Process is normal.
Dev. HC110
Rev. 10sec per min.

I am a new LF users. I just find some strange black marks on film when processed.
No idea what will those marks be? how those marks caused.

I processed 4X5 film by paterson system. The problem...