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Re: [OM] [OT] Questions for enlarging lens

Subject: Re: [OM] [OT] Questions for enlarging lens
From: Michael Wong <mialop@xxxxxxxxxxxx>
Date: Thu, 14 May 2009 15:50:35 +0800
Mike,
Thanks for your information & I'll consider it.


---
Michael




2009/5/14 <usher99@xxxxxxx>

> A potential compact option is the Zork system that uses the enlarger
> lens and provides tilt-shift.
>
> http://www.zoerk.com/pages/p_mfs.htm
>
> Mamiya T-S bellows are readily available but allow movements on the
> front end only.  I also don't know if it tilts in more than one plane.
> I don't think the Nikon PB-4 does anyway.  Mamiya to Nikon adapters are
> easiy available on yabe, though the Mamiya to enlarger lens fitting
> might be an issue.  I have no doubt it could be done.  (srb Griturn as
> a last resort, but it will cost you.)  I recall Dean obtained a Mamiya
> t-S bellows with a lens in bgn condition that was very nice and had a
> Mam 80mm? macro lens with it.
> Novoflex makes T-S bellows for a small fortune.  I had  tried to snipe
> a couple Spirotone T-S bellows that have over 7 adjustement knobs on
> them, but they seem to be  rare and  unduly expensive.  I wish Oly had
> brought their OM T-S bellows to market--have seen a photo of one of
> them.
> Mike
>
>
>
> Michael, among the Nikon bellows, you will typically find that PB-4 is
> more
> expensive than most, even the more recent models.  The reason is that
> the
> PB-4 has the facility for tilt and shift, which makes it very useful
> indeed
> for macro work, where the use of tilt (otherwise called swing) allows
> much
> greater control of depth of field than is possible with just the
> diaphragm
> (f-stop) at high magnification.  The PB-4 is the best made bellows I
> have
> seen - slightly better even that the OM bellows - but it is likely no
> better
> than any other Nikon bellows.
>
> Both OM and Nikon are very much more sturdy than unbranded aftermarket
> bellows (of which I have used a few).  Generally the unbranded bellows
> do
> not have the twin-rail facility of both OM and Nikon PB-4 (the eBay
> item you
> linked to does not have it either) - this is important for macro work,
> as
> focusing is usually accomplished by moving the camera
> forwards/backwards,
> having already set the required magnification by adjusting the bellows.
>  If
> you get bellow without the twin rail, you will have to get a focusing
> rail
> in addition.
>
> Other than the PB-4, tilt/shift bellows are very rare.  Hama made one
> model.
> I think Spiratone did too.  Kopil made a Bellowsmat in Leica and Exakta
> mounts. I have not seen more than one or two of any of them.
>
> Piers
>
>
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