I was pleasantly surprised by PetaPixel’s posting about my dry plates, and thought I would share!
https://petapixel.com/2018/04/30/dry-glass-plate-photography-is-back/
https://petapixel.com/2018/04/30/dry-glass-plate-photography-is-back/

Excellent,..... and kudos to you for a very fine write up.......![]()
. .. The petapixel article was written by a photographer who bought some plates and lives down in NYC. Giovanni .. He has some great stuff..I think there’s a link to his website at the end of the article.
What a very interesting article about an extremely interesting topic. I am intrigued. ISO 2? My goodness, that's hard to wrap my head around; almost 6 stops slower than ISO100. If I had a 4 x 5, I would certainly try glass plates. But I wonder, if you are really into shooting this, accumulating so many plates after an extended period of time must create quite a storage problem.
ISO 2!!
I agree the writeup was awesome but I can’t take credit for it. ..I don’t write that well. I’m an engineer so my writeups are unavoidably technical and slightly awkward.. .. The petapixel article was written by a photographer who bought some plates and lives down in NYC. Giovanni .. He has some great stuff..I think there’s a link to his website at the end of the article.
ISO 2 is intentional: That is the speed you would get if you did a really good job of making your own emulsion with the recipes that float around. It replicates what they were doing in the early 1880s. That is precisely the gap in historical photographic processes that I am filling with these plates.
Storage isn't as big a deal as you would think...mostly because archival storage of glass plate negatives is a problem that the industry has solved long ago.
This is what I use: http://www.gaylord.com/Photo,-Print-&-Art/Gaylord-Archival®-Blue-Grey-Barrier-Board-Glass-Negative-Storage-System/p/HYB02428
Stores at least 100 plates in their 4x5 box, in envelopes which are great for writing exposure and enlargement notes on.
Storage is actually a really good topic to bring up, so I added a blog post to my website providing the link above.
ISO 2!!
ISO 2 is intentional: That is the speed you would get if you did a really good job of making your own emulsion with the recipes that float around. It replicates what they were doing in the early 1880s. That is precisely the gap in historical photographic processes that I am filling with these plates.
Storage isn't as big a deal as you would think...mostly because archival storage of glass plate negatives is a problem that the industry has solved long ago.
This is what I use: http://www.gaylord.com/Photo,-Print-&-Art/Gaylord-Archival®-Blue-Grey-Barrier-Board-Glass-Negative-Storage-System/p/HYB02428
Stores at least 100 plates in their 4x5 box, in envelopes which are great for writing exposure and enlargement notes on.
Storage is actually a really good topic to bring up, so I added a blog post to my website providing the link above.
I'm intrigued enough to start waving my Visa card around (it doesn't take much).
I see that it's especially targeted to the landscape photographer, but do you have any examples of studio or outdoor portraits made with these?
(Edit: After looking at the author's website, it's unclear to me if his "Slow Portraits" series was made with these or some other medium or a combination. The one portrait in the PetaPixel article is nice but probably not representative.)
How fast an ISO could you make a dry plate if you were not interested in replicating 1880's technology? ISO100? 400?

View attachment 199945 Can't speak for more than my own work, but ISO 125 (summer speed), 150 if the image can handle a little extra grain. Note: this is not theoretical. I've been using this film regularly for a number of years. The attached images are from 120 roll film, but the emulsion can go on glass. Both days were bright overcast. The beach horses in late spring. Kites in summer. View attachment 199942 View attachment 199942 View attachment 199942 View attachment 199943
Can you tell me more about your process? I've been fascinated with making my own film for a while, but I don't currently have the resources.
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