Close-up lenses

Discussion in 'Still Life & Close Up' started by alexmuir, Aug 8, 2017.

  1. alexmuir

    alexmuir Member

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    I thought it best to start a new thread about this.
    I've added two versions of the same shot. I used a Rodenstock Sironar 150mm lens. I cannot recall the aperture used, but I wanted the objects in the background out of focus. I used an un-named Japanese close-up lens which was either +1, or +2 Diopters. Supp 1.jpg
    Scan from 5x7" print of 4x5" negative on Fomatone Chamois, developed in Tetenal Eukobrom.

    Supp 2.jpg
    As above, but toned in sepia, followed by gold chloride.

    Alex


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  2. Keith Haithwaite

    Keith Haithwaite Active Member

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    I think this thread would be better in the Still Life & Close Ups section Alex, perhaps Ian could move it if it's ok with you.
     
  3. alexmuir

    alexmuir Member

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    I think you're right, Keith.
    Alex


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  4. Keith Haithwaite

    Keith Haithwaite Active Member

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    Thanks for moving it Ian.
     
  5. Keith Haithwaite

    Keith Haithwaite Active Member

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    For anyone who read my comments (rant) about close-up lenses in Martins post here http://www.5x4.co.uk/threads/single-holyhock.435/ I have to eat humble pie and admit I was wrong in my condemnation based on my previous attempts at using close-up lenses with large format lenses. :)

    I 'borrowed back' a set of lenses I gave away a couple of years ago and tried to recreate the tomatoes shot from the above post. I'm not sure if it's the same set of lenses but this is yesterdays effort and I am impressed. It was only a quick lash-up and as I was working on tiptoe trying to see on the GG I screwed up the composition but I think the result is more than acceptable to prove I was wrong. :) It was also a test shot for Pyrocat-HD using a Minimum Agitation technique.
    Tomatoes_LF+CU-1.jpg

    The technical details are:

    Fomapan 100 at ISO 100. 150mm lens + 1 dioptre close-up lens
    Lens to subject distance I guess was about 350mm, bellows extension 220mm
    Aperture was f22, shutter speed adjusted for bellows ext + reciprocity failure was 3 seconds
    Developed in Pyrocat-HD using the Minimum Agitation technique
     
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  6. alexmuir

    alexmuir Member

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    That looks good, Keith. The Stroebel book suggests that the best results are obtained at the optimum aperture for your lens which is likely to be around f22. I have to say that I would not have expected to be using supplementary lenses, but for the comments in that book. I had previously written them off as unlikely to produce good results.
    Alex


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