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Thread: 4.0 or 5.6?

  1. #21
    RalphLambrecht's Avatar
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    Quote Originally Posted by Martin Aislabie View Post
    Not possessing a ND Filter in the head of my DeVere, I just dialled in 50Y + 50M + 50C

    It meant not only my retinas remained in tact but also I could use sensible f stop settings and exposure times

    I found (by chance) that one of my top name German enlarger lenses focus shifted as it stopped down – which came as a bit of an unpleasant surprise.

    Consequently, I have retired it to paperweight duties

    Martin
    I can't do that easily, because I'm using magenta and yellow for contrast control.
    Regards

    Ralph W. Lambrecht
    www.darkroomagic.comrorrlambrec@ymail.com[/URL]
    www.waybeyondmonochrome.com

  2. #22
    scinysnaps's Avatar
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    So what's the bottom line folks?
    Is it worth the extra money for an 4.0 over the 5.6
    I am looking at the Companon 80mm

  3. #23
    keithwms's Avatar
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    Now you changed the question! Before it was: is there a huge difference... and the answer is no, there isn't a huge difference.
    "Only dead fish follow the stream"

    [APUG Portfolio] [APUG Blog] [Website]

  4. #24
    outwest's Avatar
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    But there can be quite a bit of difference between a Componar, a Comparon, a Componon, a Componon-S, and an Apo Componon HM.

  5. #25
    scinysnaps's Avatar
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    OK, sorry for the confusion. We have to some degree determined that there is NOT a lot of difference except for some situations.
    All things considered, I am comparing a Componon/Componon-S 4.0 to a Componon/Componon-S 5.6
    I will not be doing any contact printing, nor anything above 16x16 from my 6x6 negs

    As a footnote, I already own a 5.6 Componon... The question would be: Is it worth the extra expense to upgrade to a Componon/Componon-S 4.0
    Would I be able to the tell the difference ( apart from brighter focusing ) in the aforementioned applications?

  6. #26
    RalphLambrecht's Avatar
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    Quote Originally Posted by outwest View Post
    But there can be quite a bit of difference between a Componar, a Comparon, a Componon, a Componon-S, and an Apo Componon HM.
    There can also be a huge difference between a Componon, a Componon and a Componon. The product-to-product variation is quite large. It's best to try before you buy, or insist on the right to return (especially eBay).
    Regards

    Ralph W. Lambrecht
    www.darkroomagic.comrorrlambrec@ymail.com[/URL]
    www.waybeyondmonochrome.com

  7. #27
    RalphLambrecht's Avatar
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    Quote Originally Posted by scinysnaps View Post
    OK, sorry for the confusion. We have to some degree determined that there is NOT a lot of difference except for some situations.
    All things considered, I am comparing a Componon/Componon-S 4.0 to a Componon/Componon-S 5.6
    I will not be doing any contact printing, nor anything above 16x16 from my 6x6 negs

    As a footnote, I already own a 5.6 Componon... The question would be: Is it worth the extra expense to upgrade to a Componon/Componon-S 4.0
    Would I be able to the tell the difference ( apart from brighter focusing ) in the aforementioned applications?
    Probably not, unless you happen to have a bad one.
    Regards

    Ralph W. Lambrecht
    www.darkroomagic.comrorrlambrec@ymail.com[/URL]
    www.waybeyondmonochrome.com

  8. #28
    Martin Aislabie's Avatar
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    You need to try it out - to find out for yourself

    A couple of years ago I found my 150mm Componon-S not only focus shifted as it was stopped down but also flared badly too.

    Until that point I had been happy with it, as it seemed physically undamaged, with nice clean glass when looked through and was sharp corner to corner.

    I only found out about the focus shift by accident - I happened to re-check my focus with the lens stopped down after making a small adjustment

    The Lens Flare was found only by comparing my Schneider with someone elses’ Enlarging Lens - I got slightly punchier prints - which caused my to investigate further

    Only by trying another lens are you able to find out if the lens you have is adequate/sufficient

    Martin

  9. #29
    David A. Goldfarb's Avatar
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    Quote Originally Posted by scinysnaps View Post
    As a footnote, I already own a 5.6 Componon... The question would be: Is it worth the extra expense to upgrade to a Componon/Componon-S 4.0
    Would I be able to the tell the difference ( apart from brighter focusing ) in the aforementioned applications?
    Probably not worth the trouble in the current market, but if you happen to come across an Apo-Rodagon (N) or Apo-Componon (HM) of the right focal length, that would be worth considering. Note that there are a lot of inexpensive Apo-Rodagon D lenses out there, which aren't really optimized to be enlarging lenses.
    flickr--http://www.flickr.com/photos/davidagoldfarb/
    Photography (not as up to date as the flickr site)--http://www.davidagoldfarb.com/photo
    Academic (Slavic and Comparative Literature)--http://www.davidagoldfarb.com

  10. #30
    outwest's Avatar
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    Quote Originally Posted by RalphLambrecht View Post
    There can also be a huge difference between a Componon, a Componon and a Componon. The product-to-product variation is quite large. It's best to try before you buy, or insist on the right to return (especially eBay).
    Very true! But, I didn't want to open that can of worms;-) I will say that is how I chose my lenses - by acquiring multiple examples of various models and makers and testing them against each other using Ctein's method and keeping the best in practice.

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