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Thread: Collodion - Wet Plate Images

  1. #2071

    Re: Collodion - Wet Plate Images

    Quote Originally Posted by Louis Pacilla View Post
    I really like this plate brother Paul. Great work!
    Thank you very much, Louis!

  2. #2072
    Christopher Barrett's Avatar
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    Re: Collodion - Wet Plate Images

    That is a really clean wet plate neg. Nicely done and gorgeous tones too!

    -CB
    Last edited by Christopher Barrett; 10-Feb-2020 at 19:50.

  3. #2073

    Re: Collodion - Wet Plate Images

    Quote Originally Posted by Christopher Barrett View Post
    That is a really clean wet plate neg. Nicely done and gorgeous tones too!

    -CB
    Thank you Christopher, I’ve worked really hard at making clean collodion negatives, and I seem to be succeeding.

  4. #2074

    Re: Collodion - Wet Plate Images

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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.

  5. #2075

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    Re: Collodion - Wet Plate Images

    Quote Originally Posted by paulbarden View Post
    Click image for larger version. 

Name:	49594762001_cc43247210_b.jpg 
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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.
    He is no fool who gives what he cannot keep..to gain that which he cannot lose. Jim Elliot, 1949

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  6. #2076
    Recovering Leica Addict seezee's Avatar
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    Re: Collodion - Wet Plate Images

    Quote Originally Posted by paulbarden View Post
    Click image for larger version. 

Name:	49594762001_cc43247210_b.jpg 
Views:	108 
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ID:	201184
    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.
    There used to be an article by Alex Timmerman on the internets somewhere in which he demonstrated that the exaggerated swirl you sometimes see in images made with a Petzval is the result of an incorrectly assembled lens. A properly assembled one won't have as much swirl. Would post a link but I can't find it.
    "Never try to teach a pig to sing. It wastes your time and annoys the pig."

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  7. #2077

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    Re: Collodion - Wet Plate Images

    The center of the image circle on a Petzval lens is pretty darn sharp. They were meant to be. The swirl that so many like comes from using a lens designed for a smaller format than that being used. Though, for example, a 5x7 lens will illuminate an 8x10 ground glass, the area outside of the 5x7 frame will fall apart. At least this was how it was explained to me, and it makes sense. Personally, the swirl makes me slightly nauseous, but clearly I am in the minority

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