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When I was trying to wet plate in India back in 2010, silver nitrate was really available for sale. Other chems that we routinely use here were absolutely forbidden to be sold to the public as they...

I don't have the formula handy, but - years ago now - I used the copper intensifier recommended by John in his manual and it worked great. I think that is mostly just a copper bleach followed by...

Thanks, everyone. Ridax: so if I focus through a blue filter while using an Ortho emulsion, what I see on my GG should be the same as what I'll get on film?

I currently have a few (ok... five) lenses that are uncorrected for chromatic abberations and which, of course, make focusing quite difficult. I am aware of the focusing correcting meant to remedy...

Hi everyone,

I'm trying my hand at making Resinotypes (nearly obscure prices similar to Oil printing, bromoils, etc) and I need to print from a positive. I currently use x ray film exclusively to...

Any chance of an android version?

Thank you for that. So your model's front element is mounted in the hood? That's definitely different from mine. My model's serial number is close to the No. 4 at the bottom of the pic and I would...

I've got the same lens and can measure for you, but there might be slight variations in the models. A photo would help to see if they are (for all practical purposes) similar. As far as the filter...

Mine is number 22598, waterhouse stops and the old style 'No.7' in block letters/numbers. Pictures would be a great help! Three ring on mine fits so perfectly that is hard to tell if it really is a...

Thank you for that info! So the whole, formerly black, ring unscrews from the barrel, correct?

Tin Can, then what would you recommend to use?

No, not yet. Headed to the hardware store today and will pick up a hose clamp, based on something I read elsewhere in this forum.

No, not yet. Headed to the hardware store today and will pick up a hose clamp, based on something I read elsewhere in this forum.

Because it has no finish and I want to lacquer it.

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Hi everyone, I have this really big Derogy Aplanat (26" FL) that can be disassembled, except for the front element. I'm guessing that the whole ring (sometimes we see these painted black) behind the...

Is there a link that I'm missing? Is there a website somewhere?

Thank you for the interesting replies! I'm reading through these carefully, trying to get there most out of them. Fortunately, I am mostly using Wollensak Verito these days, so sharpness isn't really...

I was just wondering if anyone is using texture screens for contact printing LF negs? Presuming that the diffusion of having a layer of acetate (or whatever) between the negative and paper isn't an...

Thank you so much!

Could anyone please tell me the exact dimensions (height x width) of a sheet of 14x17 X Ray film? Thanks in advance 😊

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My latest flange from Dan - quite a beefy, brass piece to hold a heavy lens.

As I mentioned in the original post, he's very friendly and is easy to talk to. I am not in a position to comment on his pricing - that's between him and his customers - but it's easy enough to email...

OK, I get it. It does make makes to me now. I'm not really happy with the FB forums, either - too much politics and such that annoy me. Then again, I've had my problems on forums, too, so I prefer to...

unimachineworks@gmail.com

What's wrong with FB? Did I miss something?

I recently became friends with a talented machinist here in the Atlanta area who has been making some nice flanges for me. His work is really good and he's enthusiastic about working with the LF...

Wow, that's stunning!

You're really doing that lens way more justice than I ever could have! What an awesome glow.

Very nice portrait, Stephane! I love the rich sepia tone, too.

Thanks so much for the link, I will check that out right now. I really only ever print in cyanotype or gum, silver gelatin contact printing only very rarely. I gave my enlarger to a friend whose...

Thank you very much that useful info. I have actually enjoyed the calibration stages so far - reminds me a bit of being in the darkroom. I'm going to get back at it using the process you have...

Hi everyone, I just started trying to create a digital negative for the first time. Using photoshop on a Mac (am older version, CS3), I went through the usual protocol as I've understood it and...

Thank you, Jumanji. I appreciate that.

I guess I can see the kind of aforementioned scenario happening so it's something of which we should be wary, most certainly. Although I am interested in...

That's why I stayed very clearly that it was all my personal opinion and that there's no way to know for sure. Also why i was very curious to see what others were thinking.

One thing strikes me...

I was relying on the little photo on my android screen to determine that. I'm not bidding on the auction since i already own a real one and my mother died a few days ago, in any case, and i'm stuck...

Ok, there's quite a few concerns. Firstly, the engraving feels wrong. I've never seen a P&S with the "Co." or "Boston" engraved and the overall quality and font seems odd. The engraving is also kind...

There's a so-called Pinkham & Smith lens up on the auction site that I had a chance to check out in person this weekend. The owner had no knowledge of the lens whatsoever, even calling it an 'S&P'...

Mine is painted a 'popcorn' yellow which is nice and bright and reflects both my deep red and amber safe lights well. I don't enlarge but if I did, I would go with a very matt black by the machine,...

For testing purposes, I was trying to print it as a traditional cyanotype. Seems a little dense and better suited for a salt print, but for testing it should work. New camera, new film, new lens, and...