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Thread: DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

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    DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

    When using a vintage m645 lens on my DF / Aptus II 7 combo i have a strong magenta color cast with all speed above 1/125s ... it use to work properly before !

    I've manage to borrow a grip in order to update the DF, i've install the last leaf capture in order to update the DM33... problem remains the same !

    Lenses used :
    M645 80 / 1.9
    M645 80 Macro
    M645 50 PC

    i've open a support case : 131324

    Does it happens to anyone here ?
    Last edited by archivue; 5th October 2013 at 01:37.

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    Subscriber & Workshop Member GrahamWelland's Avatar
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    Re: DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

    I have the 80/1.9 and 50 PC and neither of these has exhibited this behavior with my DF & Aptus 65/P40+/P25+ or IQ backs that I've used with them.

    Could it be a timing issue with the DF & non-AF glass and synching with the back? It would be interesting to try the back with any other cameras.
    Remember: adventure before dementia!

    As Oscar Wilde said, "my tastes are simple, I only like the best"

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    Re: DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

    yes it looks like a timing issue !
    I don't have an other camera around me... that's the problem !

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    Re: DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

    last news !

    i was able to borrow an aptus II 8 and a DF to make a cross test...

    the problem comes from my DM33 / aptus II 7, not from the DF !

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    Re: DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

    Last DF firmware
    Last DM33 firmware

    problem remains the same...

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    Senior Member yaya's Avatar
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    Re: DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

    David as you may have already been advised through the support case, returning to Firmware version 1.25 on the DF body will resolve this issue for you

    BR

    Yair
    Yair Shahar | Product Manager | Phase One | Mamiya Leaf
    e: [email protected] | m: +44(0)77 8992 8199 | yaya's blog

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    Re: DF/ Aptus II 7 and M645 manual lenses problem ( color cast above 1/125e)

    Yes, it works !

    Many thanks !

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