One is enough. Unless you have a whole tribe of assistants coating, sensitizing, loading, and processing your plates, you cannot possibly shoot wet plate fast enough to use more than one holder at a time.
One is enough. Unless you have a whole tribe of assistants coating, sensitizing, loading, and processing your plates, you cannot possibly shoot wet plate fast enough to use more than one holder at a time.
This. You have, at most, about fifteen minutes to coat, sensitize, load, expose, unload, and develop the plate, and until the plate is in the drying rack and you've coated and sensitized the next one, you don't need another plate holder -- and once you're done processing, well, looky there, there's an empty plate holder. Just a quick wipe/check for stray collodion, and it's ready to use again..
I've always worked with just one, but I can imagine someone might want a spare in case you drop/break one somehow. Never happened to me, but esp. if you're working with models I can see how it would be nice to have a spare sitting by so you don't get to waste anyone's time.
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