Yuri,
I believe you should be able to use the Cokin filter system with the 58mm, but I do not have any personal experience with those filters on the Koni. I have not had any problems with flare from the lenses, simply using the built-in shades.
Best,
Barry
>
> From: Yuri Shchedov <ygs@strace.net>
> Date: 2003/12/27 Sat AM 11:41:01 EST
> To: Koni-Omega Mailing List <koni-omega@snoopy.cmagic.com>
> Subject: Re: [KOML] Beginer question
>
> Thanks for your help, Barry and Paul!
>
> I'm now reading these great links and starting to
> think that this system was made for me.
>
> I'm doing some landscapes with 35mm system and want to
> improve the quality of my shots with bigger film.
> And... I don't want to have 645 or 6x6 system with lenses
> so so. Koni looks like the system for me (especially with
> its 6x7 format) as I'm on a budget and can't afford Hasselblad
> or Contax 645 (I love Zeiss optics very much on my 35mm Contax system).
>
> I'm not a photographer who is shoting 2-3 rolls a day
> and have not time to think about the composition and
> the idea of the shot :-) I like photographs with mood and
> press button only if I deeply affected by the image. I can
> compose the image 1 minute or 1 hour, or I can visit the place
> again later to make better shot with better light. This is
> my way to make photographs.
>
> So I'm starting to grow from 35mm as my photographs
> looks better. And now I'm starting to collect landscape portfolio.
>
> As of portraits. I've caught your point about Koni. I'm now
> practice outdoor portrait work and don't have the access to
> studio. But I plan.. You're right about TLR with 135.
> It'll be more convenient to work in studio of course.
> May be I'll follow your way later. Of course, I'm very interested
> in your experience with Omegaflex for portrait work.
> Thanks,
> Yuri
>
>
> P.S. Barry, I'm sorry. Can I ask one more question about filters ?
> Can I use Cokin filter system with 58 lens ? How about vigneting ?
>
>
>
> Paul Reese wrote:
> >
> > Hi Yuri,
> >
> > Barry has pointed you to some good info.
> >
> > For portrait work, you should ask yourself whether
> > speed and handheld operation are important for your
> > style of shooting. If so, the Konis may not be the
> > best choice. Also note that to shoot
> > vertical/portrait orientation, you'll need to flop
> > your Koni over on its side. Not so with 6x6 systems
> > or RBs/RZs with rotating backs. For tripod use, the
> > Konis do feature a side-mount hole.
> >
> > If your primary interest is studio portraits, you
> > might want to consider the Omegaflex (twin lens) as
> > well as the Koni rangefinder models. It uses the same
> > interchangeable backs as the rangefinders, but has
> > some advantages:
> >
> > 1) Big focusing screen.
> > 2) The Omegaflex 135mm lens is easier to find and
> > cheaper than the rangefinder version. I got mine for
> > about $280, from a reputable dealer, with a warranty.
> > 3) Easy-to-use closeup spacers.
> >
> > On this last point, note that the 180mm lens (without
> > spacers) only focuses to 12 feet. This isn't close
> > enough for head-and-shoulders shots. The Omegaflex
> > spacers should get you there, and should be usable
> > without the Koni ground glass assembly (which is a
> > must-have for focusing with the rangefinder spacers,
> > but hard to find and use). The 135 might be capable
> > 'as is', and is supposed to be a gorgeous portrait
> > lens.
> >
> > I do NOT recommend the Omegaflex for hand-held work,
> > or if you are going to carry it any distance in the
> > field. It is awkward to handle, and bigger and
> > heavier than the rangefinders. It's really meant for
> > tripod use, and certainly not for backpacking.
> >
> > I haven't actually used the Omegaflex for portraits
> > yet, but if you're interested, I plan to do some
> > testing soon (with 90/135/180), and would be happy to
> > report. Perhaps others here have some experience to
> > share.
> >
> > In general, the Konis are capable of top-notch
> > results, if you have a well-adjusted outfit and don't
> > mind the size, weight, and all-manual operation.
> >
> > Good luck, and welcome!
> >
> > -Paul
>
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