Close-up lenses

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

  1. alexmuir

    alexmuir Member Registered User

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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 Registered User

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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 Registered User

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    I think you're right, Keith.
    Alex


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  4. Keith Haithwaite

    Keith Haithwaite Active Member Registered User

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    Thanks for moving it Ian.
     
  5. Keith Haithwaite

    Keith Haithwaite Active Member Registered User

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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 Registered User

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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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  7. Ian Grant

    Ian Grant Active Member Registered User

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    I know this is an old thread but there's one lens that's ideal for close up work and it rarely gets mentioned - the Kodak 203mm f7.7 Ektar, These lenses are usually quite cheap they are optimised for Infinity to 1:1 Kodak Ltd (UK) sold them post WWII as general purpose lenses with their Half plate cameras and also with their medical cameras for up to 1:1. They are dialyte design so 4 elements and six internal air/glass surfaces so coating is needed to prevent any contrast drop - they are all coated the earlier uncoated version is called a Kodak Anastigmat.

    They were made in the US and also the UK, the US versions are nearly all in Supermatic shutters, while the UK ones are in standard #0 sized shutters - early ones were in a Kodak Epsilon shutter, then a Prontor SVS and very late in a Compur. Only the Compur has a preview lever so you need to use B and a cable release with the Prontor or Epsilon.

    I have a couple of these 203mm lenses they are very sharp, one's in a Prontor, the other is a very late US version in a Graphic Compur #1 shutter which luckily has a preview. These really are quite over looked lenses.

    Ian
     
    Last edited: Dec 21, 2017
  8. Ian-Barber

    Ian-Barber Admin Staff Member Registered User

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    I have read about these but as of yet not seen one appear in the UK eBay site
     
  9. Tom Everett

    Tom Everett New Member Registered User

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  10. Ian Grant

    Ian Grant Active Member Registered User

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    Ian to look at they don't seem very special, such small lenses and I think the f7.7 aperture puts people off but actually is easy to work with.

    [​IMG]

    Tom, the one on MW Classic's website is in an Epsilon shutter, these are the earliest of the Epsilons modified by Kodak but not know for reliability.

    Ian
     
  11. Ian-Barber

    Ian-Barber Admin Staff Member Registered User

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    How much coverage do they give you on a 5x4 with movements
     
  12. Ian Grant

    Ian Grant Active Member Registered User

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    These were designed to cover Half Plate and 7x5 with some room for movements so there's plenty of coverage for 5x4 use. Kodak never published image circles for their lenses.

    They were sold as 8" f7.7 Ektars in the US in Supermatic shutters although my late US version is marked 203mm. US made shutters don't match the European size standards but if you spot one cheap from the US remember Import Duty, VAT etc can add 33% !!!!

    Ian
     

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