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Thread: Leica M in recording studio shoot and Voigtlander 25

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    Senior Member faneuil's Avatar
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    Leica M in recording studio shoot and Voigtlander 25

    shooting an amazing project once in a life time project in studio with musicians.. I have been using my Canon 5dmkIII and Leica M to great results. Favorite lens on the M has been my voigtlanger 25 skopar.
    Yes, could have gone with Zeiss ZM, but am really liking the super compact size, fact that I need f/4 5.6 for depth of field anyway and surprisingly sharp results.

    Downside? Horrible purple edging, esp frame right.
    Of course I went down the internet rabbit hole
    Cornerfix does seem like the best option

    But -- and I can't quite figure this out -- will an IR cut filter worsen or improve the lateral purple fringing? I know it can improve axial purple fringing.

    thanks in advance for the help,
    Eric
    Eric Korenman
    www.korenman.com

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    Senior Member faneuil's Avatar
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    Re: Leica M in recording studio shoot and Voigtlander 25

    Just downloaded Adobe Flat Field plugin for LR. Will try that too. Anyone had good luck with that pathway?

    Eric
    Eric Korenman
    www.korenman.com

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    Re: Leica M in recording studio shoot and Voigtlander 25

    Cornerfix and Adobe Flat Field plugin are your best options in post. What is the lens coded as (if it is)? You may want to fiddle with that, as it might eliminate the need.

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    Senior Member faneuil's Avatar
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    Re: Leica M in recording studio shoot and Voigtlander 25

    tried manually entering code as elmarit 24 asph but didn't help.
    sites rec. hand coding as elmar - I may try that to.

    yes will try flat field plugin tonight.

    thanks. Does Zeiss 25 have as much edge color issues?

    eric
    Eric Korenman
    www.korenman.com

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    Senior Member faneuil's Avatar
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    Re: Leica M in recording studio shoot and Voigtlander 25

    Wow. Flat field plugin works very nicely.

    Eric
    Eric Korenman
    www.korenman.com

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    Senior Member faneuil's Avatar
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    Re: Leica M in recording studio shoot and Voigtlander 25

    Had lots of experience coding lenses for M8 and M9 -- just won't work with the M..
    not sure what the reason is.

    eric
    Eric Korenman
    www.korenman.com

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    Re: Leica M in recording studio shoot and Voigtlander 25

    Yeah, coding doesn't work out with some lenses. This may just be one of them. Or the M (I can't say as I don't have one).

    With the Zeiss 25 I had outstanding results on the M8, and near as I can tell also on the M9 (I didn't shoot it on the M9 as much as I went Leica [glass] shortly after getting it). You can see all of my 2,8/25 ZM shots if you're curious. Fantastic lens on *every* level.

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    Re: Leica M in recording studio shoot and Voigtlander 25

    I've used Zeiss ZM 25 on M8, M9, and M240. I manually coded the lens with Elmarit 24 ASPH for M9 and M240 and it works great. No purple edge issues for the copy that I have.

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    Re: Leica M in recording studio shoot and Voigtlander 25

    Quote Originally Posted by faneuil View Post
    tried manually entering code as elmarit 24 asph but didn't help.
    sites rec. hand coding as elmar - I may try that to.

    yes will try flat field plugin tonight.

    thanks. Does Zeiss 25 have as much edge color issues?

    eric
    I don't know about the ZM 25mm, but its the design of the lens that matters not the focal length.

    I have a 21mm Skopar that gives purple edges with my M9 whatever it is coded as. On the other hand I have a 21mm f/2.8 ZM Biogon that is perfect coded as a Leica 21mm, no Cornerfix needed at all. However the 21mm f/4.5 ZM Biogon causes real trouble and no code works and Cornerfix is needed. I suspect you'll find a similar variation with the 25mm focal length although there aren't as many to go through to find out if one is better than another.

    Steve

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    Super Duper
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    Re: Leica M in recording studio shoot and Voigtlander 25

    Quote Originally Posted by 250swb View Post
    I don't know about the ZM 25mm, but its the design of the lens that matters not the focal length.

    I have a 21mm Skopar that gives purple edges with my M9 whatever it is coded as. On the other hand I have a 21mm f/2.8 ZM Biogon that is perfect coded as a Leica 21mm, no Cornerfix needed at all. However the 21mm f/4.5 ZM Biogon causes real trouble and no code works and Cornerfix is needed. I suspect you'll find a similar variation with the 25mm focal length although there aren't as many to go through to find out if one is better than another.

    Steve
    Steve, if your Zm 21mm f2.8 is working great in terms of no color cast that lens on the M9, the best coding I've come across with regards to eliminating color casts, is by using the Leica 21mm pre asph code. Not sure when you mentioned coding it as a 21mm, whether you meant asph or pre asph Leica 21?

    Dave (D&A)

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    Re: Leica M in recording studio shoot and Voigtlander 25

    The problem lenses are the ones that reach deeply into the body (and thus closest to the sensor)... The light rays are angled too much for the photosites at the periphery of the sensor; thus the off-color(s).

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