Quote Originally Posted by paulbarden View Post
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I've been down with a cold for the past week, so I haven't exactly been enthusiastic to get out the Collodion and make plates (*cough*), but yesterday I could not resist!
This is my first plate made with a new (to me) 300mm Darlot lens. This is an 8x10 inch glass negative made using Quinn's Collodion recipe for negatives. It was a bright afternoon and the UV was streaming in, so it was a very fast exposure for a negative: 10 seconds. The Darlot has no cut for Waterhouse stops, so this is wide open (approximately f4). I question whether or not this is really a Petzval lens (where's the edge swirl??) but I like its rendering A LOT anyway. I have to check to see if the rear group is assembled properly.
A beautiful image. Usually to get edge swirl there has to be stuff like tree branches out beyond the focused plain. Things roughly in or near the plane of focus don't swirl much.