WTB - Pin Registration for 4x5"

[Jan Pietrzak]

Jon,

You use a piece of extra film taped to what you are working with to punch. It is taped to the neg and a piece taped to the mask (if you are masking). Do your exposure and process the mask. Some people use litho film for the mask. Re-register and away you go. Look at Lynn Radicaks (sp?) site for more info.

Jan Pietrzak

[ChuckP]

I use 1/4" standoffs from an electronics store for my pins. Use a standard hole punch. A piece of extra film taped to the negative and oversized litho film for the mask.

[BetterSense]

A piece of extra film taped to the negative and oversized litho film for the mask.

Are you saying the "extra film taped to the negative" is the part that is actually punched, to save the original negative from having to be punched?

What kind of tape, and taping pattern do you use?

[holmburgers]

Yes, what type of tape? Painter's tape? Need something as non-residual-leaving as possible...

And by the way, I actually am going to punch into the film-image area. Reason being, is that I'm attaching a tri-color mask (like Dufaycolor, autochrome) onto another sheet of b&w film, and this sandwich has to fit in an ordinary 4x5" film holder. You can see my thread about it over in the alt-forum....

So for the time being at least, unless anyone can suggest something more elegant, I'm going to punch the film, tape it around the edges, put it in a film holder and then reassemble later with pins.

But yeah, what type of tape is recommended?

[billdlv]

You can get Mylar tape from an art store, its super thin.

[ChuckP]

I just use regular scotch magic tape. The film piece becomes a permanent part of the stored negative. I'll add that I use a home built carrier/mask printer for my old Elwood so I don't need to remove the film piece for printing. Also I'm at the age that I realize that my negatives will just be tossed when I pass on so working to find the exact tape isn't that important. This may not be the case if your work has a real market value.

[holmburgers]

Well, for my application I need to be able to remove it so I can process the black&white film seperate from the mask/screen. And no, my work has no real market value (yet!)