Zebra Dry Plates

Matt Bigwood

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These arrived today and I'd be interested to hear any advice on using and developing them. I plan to tray develop them in HC-110 using a red safelight. I bought some MPP plate holders and plan on using my MPP MicroPress.
 

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As a 15yr old I learned how to develop old glass Kodak P1200 plates in a small dish using a powdered MQ developer..and used ..hypo crystals fixer..iinthe kitchen sink. Turned out ok enough to be published in a national newspaper!! (I used to use an old 1/4 sq camera with F7.7 Aldis Uno lens) ..Still have it somewhere..
..............and that was back in 1949) Power to your elbow!!
 
These arrived today and I'd be interested to hear any advice on using and developing them. I plan to tray develop them in HC-110 using a red safelight. I bought some MPP plate holders and plan on using my MPP MicroPress.
The first thing to find out is whether these are ORTHO or PANCROMATIC. I assume they're ortho but best to check. If they are, you can develop them by inspection under a red safelight. When you expose them they will benefit from plenty of UV light. I'd expose a test one, develop it and see what you think. I've been using very old dry plates including Kodak P1200 and they all seem to be working well at ISO 5. I'm surprised these new ones are ISO 2. Light meters can't meter UV light so just use any meter reading as a guide for your highlights and go from there. Have fun with it.

Some of my glass plate tests are here: https://www.flickr.com/photos/bossnas/albums/72177720315148765/
 
The first thing to find out is whether these are ORTHO or PANCROMATIC. I assume they're ortho but best to check. If they are, you can develop them by inspection under a red safelight. When you expose them they will benefit from plenty of UV light. I'd expose a test one, develop it and see what you think. I've been using very old dry plates including Kodak P1200 and they all seem to be working well at ISO 5. I'm surprised these new ones are ISO 2. Light meters can't meter UV light so just use any meter reading as a guide for your highlights and go from there. Have fun with it.

Some of my glass plate tests are here: https://www.flickr.com/photos/bossnas/albums/72177720315148765/
Hi Nas, yes they are orthochromatic so a red safelight is OK.
 
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I shot a box of 10 of these in half-plate size last year and have another box in 4x5 size waiting to be shot this year.

I exposed at EI 2 and developed for 6 minutes in HC110 Dil B, in trays under a red safe light. Since you can see the progress of developing you could amend the developing time if necessary.

My results are here:

 
I shot a box of 10 of these in half-plate size last year and have another box in 4x5 size waiting to be shot this year.

I exposed at EI 2 and developed for 6 minutes in HC110 Dil B, in trays under a red safe light. Since you can see the progress of developing you could amend the developing time if necessary.

My results are here:

Great photos, I've bought some HC-110 as it seems to be the recommended developer. I just need to get some developing trays and I'm ready to go.
 
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