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  1. #11

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    KHB lists the 4 1/2" cone for 150mm - 162mm lenses, the 2 3/4" cone for 105mm - 135mm lenses. Does this change if you convert to a variable condenser head?

    I converted my DII to a variable condenser head and I am getting the same vignetting problems discussed here when using my 135mm Rodagon on the 2 3/4" cone with the moveable condenser in the upper position, which is for 135mm lenses.

    Brian

  2. #12
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    Quote Originally Posted by r-brian
    KHB lists the 4 1/2" cone for 150mm - 162mm lenses, the 2 3/4" cone for 105mm - 135mm lenses. Does this change if you convert to a variable condenser head?

    I converted my DII to a variable condenser head and I am getting the same vignetting problems discussed here when using my 135mm Rodagon on the 2 3/4" cone with the moveable condenser in the upper position, which is for 135mm lenses.

    Brian
    I've used the 4.5" cone with my D2V for nearly 20 years with a 135mm lens, and about 15 years ago converted to the Beseler Dichro 4x5 head eliminating the condenser. I still use the same cone with the same lack of vignetting.

    I use a 2.75" cone with my 105 - 150 mm zoom lens with good results too.

    PE

  3. #13

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    May 2006
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    Quote Originally Posted by r-brian
    KHB lists the 4 1/2" cone for 150mm - 162mm lenses, the 2 3/4" cone for 105mm - 135mm lenses. Does this change if you convert to a variable condenser head?

    I converted my DII to a variable condenser head and I am getting the same vignetting problems discussed here when using my 135mm Rodagon on the 2 3/4" cone with the moveable condenser in the upper position, which is for 135mm lenses.

    Brian
    I use the 4-1/2" cone with the 150mm lens in a D2V (variable condenser) head. The adjustable/variable section of the condenser is completely removed in this case.

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