Help with the dimensions of an 8x10 Film Holder

[pepeguitarra]

I am building an 8x10 pinhole camera and need the dimensions of the standard 8x10 film holder. I do not have a film holder in that size, but I have one 4x5. If you have one and have the time to measure one, could you please provide me with the dimensions x, y, z and t, shown in the attached drawing? Inches if fine, but I prefer dimensions in millimeters if possible. The pinhole camera will accept 8x10 film holders, just like a regular camera. I really appreciate your help. Thanks, Pepe.

[pepeguitarra]

Well, thank you. I should have done a better research before posting. I found the dimensions here. I hope this posting serve as reference for future builders too. So, no effort is lost.

[Nodda Duma]

Hi Pepe, reading your post, that page came to mind but you found it already.

The other important piece of the puzzle you’ll need is the actual 8x10 film size and tolerances. Manufacturers of film conform to the standard ISO 1012, which you can get and ensure your holder will accommodate. You have to pay for a copy, but if you don’t want to I can give you the dimensions just send me a pm.


Photographic plates have a similar standard.

Cheers,
Jason

[pepeguitarra]

Jason: Thank you. I need to make sure they fit your 8x10 dry plates too.

[pepeguitarra]

I think I will just create my own standard. The prices they show for this standards are too high. Membership in ANSI will cost $1,200 for companies selling under $100million. What about those not profiting from it? That is ridiculous. I will build my own plates and my own holders.

[Pfsor]

I think I will just create my own standard. The prices they show for this standards are too high. Membership in ANSI will cost $1,200 for companies selling under $100million. What about those not profiting from it? That is ridiculous. I will build my own plates and my own holders.

What am I missing? Why don't you just buy a 8x10 film holder? Or you like it the hard way?

[pepeguitarra]

Because I can make it cheaper. After all, this is the DYI section, where people do their own stuff and talk about it.

[Pfsor]

Because I can make it cheaper. After all, this is the DYI section, where people do their own stuff and talk about it.

Great! Why don't you just buy one so that you can make tens of them cheaper then? It would pay off, wouldn't it?

[pepeguitarra]

Great! Why don't you just buy one so that you can make tens of them cheaper then? It would pay off, wouldn't it?

Thanks Pfsor. I would certainly pay off if I sell them. Thanks.

To follow on the I am Ok, you are OK comment: This is the example of a communication between a Father ("buy one, etc") to a Child (yes, it is addressed to a child, you can tell that it has to do with the MUST and HAVE To). The child can respond as a Submissive Child (what I have done), or as a Rebel Child (which I usually do not do). Most likely there will be no more conflict because the child was submissive. However, it is a WIN-Lose situation where there was no real communication. If the Rebel Child responded. There would not be communication either, and the Father may come back with more shots to the Child, and they can argue for ever. Just like parents talk to their kids sometimes. I do enjoy reading the forums, it is a way to learn about people. Just like Miguel de Cervantes said in this book Don Quijote de La Mancha: Even bad books teach us something.

[pepeguitarra]

Years ago, I took a class on communication. The teacher was the man who wrote the book: I am Ok, You are Ok. He assumed every one has three types of attitude in his/her head: F (father), A (adult) and C (child). He identified that in every transaction (communication) there are a number of relationships that can develop and produce a reaction. Communication can continue for ever, or it can be broken. For example: When someone ask another person: That is a beautiful watch, what time is it? (Father to Child), it most likely prompt a response like: (smiling), it is 5 pm (Child to Adult). Father is related to the MUST and HAVEs, Child is related to the WANT and LIKEs, and Adult, ask and provide information. The most boring but effective and conflict-free is the communication between ADULT AND ADULT. It is limited to ask and give information. All the others may end up in conflict.