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I think the first questions are :
- Where will you find 10x12 holders ?
- How much of them can you afford ?

Chamonix is selling 10x12 holders for 500$ each (plus VAT, plus shipping)
I am in the...

Those shutters are very simple mechanic, there is no gears at all inside. Just a lever and a spring, plus a few screws. They are more like a Packard and definitely not as complicated as a compur......

Thank you for your advices.
Here is a picture of the most damaged of the 3 shutters. Keep in mind that the hole is 85mm wide... The blades are fairly larges and that makes it easier to repair......

Hi there
I have 3 very old shutters to service. They are front mount leaf shutters with 3 "speed" : B,T and Instant.

First is a "RAAGO" (unknown brand to me) for 60mm front lens diameter, second...

Hi there
I had some spare time and began to draw a 8x10 back on Sketchup.
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This fill my need but can be easily adapted... I can share the 3d file if somebody want's it but it come with...

I'm not mad at all ;-)
For the moment i'm building a lens board adapter and bellow frames, the 8x10 back is my next project. I'll come back here to share it when it's done... After a few month...

I was more specifically asking for technical drawing if anybody has that.
6,6mm +/- 0,4mm is the value I found for "T" and this is the most critical of all. I have at hand a 8x10 holder and it will...

Thank you for your feedbacks.
I'm sticking to my project of building one because in my place (France) old 8x10 back are rare and expensive... Plus this will be a rehearsal before building a modern...

Between 1/30 and 1/50 it's not even a stop... Minus spring un-accuracy and tolerance, plus film dynamic range... No wonder they look exactly the same.

I don't know your shutter but I recently...

Hi there

I'm planing to build a reducing back for a old 10x12 wooden camera.
I know what are the critical measures to respect for the film to be in the plan of focus but before drawing the whole...

I first tried the hammer technique but it did nothing and I was a bit worried to damage anything.
It finnaly came loose with some penetrating oil, patience and a pair of heavy-duty rubber gloves......

Excellent !
Thank you for those tips, I'll give it a try...
All the penetrating oils brands you mention are unknown to me (except wd40) as I'm in France, but we have equivalent.

But first I...

Hello everyone

I just bought a 12x10 Dallmeyer Rapid-Rectilinear. By it's serial number I can tell It is from 1883... So a good 140 years old.
It is in very good shape except it is really dirty...

You can build a basic tester for a few bucks with an arduino Nano and a photocell.
Some instructions are here :...

Great !

Oh Oh that is a serious piece of information...
Maybe the camera once was to a shop for a repair and they wrote on it the return adress ?

Anyway, I had confirmation by a professional camera...

Thank you for your feedback.
I am in France and large film or plate holders are quite rare (specially in good shape) so finding the good size with insert etc etc may prove impossible or too...

Hi there !

I've been shooting 4x5 and 13x18cm for a while now and had no plan at all to go bigger. But you know how it is...

First i stumble upon someone selling a brand-new roll of AGFA...

Just got a Da-Yi 6x17 back for a very good price...
I took it out for the first time and shot a roll of Fomapan 400. The thing is fun but unfortunately the "step-back" design prevent me to focus my...

Thank you for your feedback

I just received a nice Zeiss Ikon NETTAR 6x9 I bought for 15€. It has a 105mm anastigmat f:3,5 on a Compur-rapid B,T,1s-1/400. (with cable release socket)
I don't...

Thanks for your advices

I don't need a new 150mm... I just happen to have one in a drawer so why not give it a try ?

There is plenty of very cheap folding 6x9 in reasonably good condition with...

Hi everyone

I have in a drawer a G-claron 150mm that I would like to use but it is in a barrel mount and i'm looking for a shutter.
I had this lens almost for free and I don't want to spend much...

Hi there
I did some testing with the color drums I bought...(Symma-Color)
With the small one for processing two 13x18 everithing was fine. Good result and even development.

But when I tried the...

I don't pretend having everything figured out, I just say that based on my experience of darkroom printing (that started 20+ years ago) one-shot fixer is not the only way to do.
Your process suit...

This look neat ! It would be super easy to adapt it for 13x18 by tweaking the lenght of the central pipe...
I think I'll try to copy it and print one myself...

But for now I found 2 Simma-color...

This is interesting. I would really like to have your feedback on this 3d printed reels once you tested it.



I'm sure the JOBO work great, but the price is insane...

Working stock of course

I use ADOFIX Plus and manufacturer recommandation are 20 films at 1+4 or 15 at 1+7 dilution per litre.
Given that one 36-exposure-135mm film = one 120 = four 4x5 = two 5x7 (roughly) it is reasonable...

Hello everyone

My new Woodyman 13x18 is on his way and I'm preparing to shoot with it soon.
I don't have a light-tight room at home and tray processing is not an option for me. Till now I...

Frankenstein 200 is repackaged FOMA 200, better shot at iso 100.
You can very easily process it in Rodinal (or rodinal clone like Adonal or Fomadon R09) + traditional fixing. This is easy and SUPER...

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Beech leaves I shot this morning... Symmar-s 210mm at f:8, fp4+

I made a few of them last week for my lens who needed it...
I used 1mm cardboard in two layers, wood-glue (vinylic i think) and black fabric for the look... I shaped them directly on the lenses and...

I had both...
The SCX weight a ton... I sold it and kept the SC. Much much lighter and easier to setup.
But both are highly unusable in the field. Or very close to the car ...

A little update as this shutter was successfully repaired by my skillfull neighboor...

There was 3 springs broken in this old shutter... one for the opening lever, one i don't know why and... The...

Thank you for the link. Not the same spring but it looks like it...
Actually I don't think the one i'm looking for is the main-spring of the shutter (the one that open the blades) but the one that...

Hi there !

I am looking for a small spring to repair the Synchro-Compur #0 MXV CN-1210-051 mounted on my 90mm Super-Angulon.
It's the one you can see on this picture i found on the internet,...

I know what a Fresnel is, thank you.
But here we are talking about ground-glass I think... And a GG is, as the name sugest, a piece of glass with a grinded side...

I have not tested it myself but here in France there is a guy who sell hand-polished custom made gound glasses... He seems to have a good reputation and they are quite cheap (40€ for a 8x10).
You...