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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 15:47:41 +0800
Piers,
Thank you very much for your advice, much useful.


---
Michael




2009/5/13 Piers Hemy <Piers@xxxxxxxx>

> 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
>
>
>
>
> -----Original Message-----
> From: Michael Wong [mailto:mialop@xxxxxxxxxxxx]
> Sent: 13 May 2009 15:49
> To: Olympus Camera Discussion
> Subject: Re: [OM] [OT] Questions for enlarging lens
>
>  Chuck,
> Yes, I didn't notice the different prices. M42 formula is much cheaper than
> T2.
>
>
> By the way, any idea for bellow? I have found the price of Nikons are very
> expensive but don't know the quality of 3rd party one. I found the cheaper
> one in eBay:-
>
> http://cgi.ebay.com/Nikon-Bellows-F-Attachment-in-Mint-Condition_W0QQitemZ40
>
> 0049014135QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item5d24c78577&_trksid=
>
> p3286.c0.m14&_trkparms=72%3A1234|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A0|29
> 3%3A1|294%3A50
>
>
> Thanks.
>
>
> ---
> Michael
>
>
>
>
>
> 2009/5/13 Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
>
> > You could also use the M42 adapters on the Nikon bellows in the same way
> > as the T2 adapters used at the front of the bellows.  The M42 to Leica
> > adapters are more commonly available and less expensive than the T2 to
> > Leica.  But T2 is more universal than M42 and may allow adapting other
> > things.  Be aware that M42 and T2 are both 42mm threads.  However, (and
> > I don't remember which is which) they have a different thread pitch. One
> > is 3/4 threads per mm and the other is 1 thread per mm.  They look
> > nearly identical and *almost* fit.  It's easy to get them jammed if you
> > try and screw them together.
> >
> > Chuck Norcutt
> >
> > Michael Wong wrote:
> > > Chuck,
> > > Thank you very much for your full details for connection enlarging lens
> > on a
> > > Nikon body. I don't have any bellow yet but will be favourite on Nikon
> > > bellow. Your suggestion of Nikon to T2 & 39mm to T2 adaptors are pretty
> > good
> > > for me, let me checkthe price of Nikon bellow.
> > >
> > > I think I may put such combination on Panasonic G1 for macro shots with
> > my
> > > enlarging lens, don't I?
> > >
> > >
> > > ---
> > > Michael
> > >
> > >
> > >
> > >
> > >
> > > 2009/5/13 Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
> > >
> > >> The difficulty of mounting an enlarger lens will depend on the
> specific
> > >> bellows and lens selected.  If you check the lens mounting thread
> > >> specifications (column 12) on the page Tim sent you will see that most
> > >> of the lenses from 50-105mm or 135mm have a 39mm screw thread which is
> a
> > >> standard Leica camera screw thread.  Choose one with the Leica thread
> ti
> > >> minimize problems with adapters.
> > >>
> > >> If your bellows is a Nikon bellows then the simplest and cheapest way
> is
> > >> to add a Nikon to T2 adapter (commonly called a T-mount) at the lens
> end
> > >> of the bellows such as this
> > >> <
> > >>
> >
>
> http://cgi.ebay.com/Celestron-T-mount-Adapter-for-Nikon-Camera-NEW_W0QQitemZ
> 250420760792QQihZ015QQcategoryZ15215QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
> > >> Then add a Leica 39mm screw thread to T2 adapter from Beljan Mfg.
>  This
> > >> is the only one I could find but we know him to be a good guy.
> > >> <
> > >>
> >
>
> http://cgi.ebay.com/Universal-Leica-Macro-Lens-Adaptor-M39x26-TPI-T-Mount_W0
>
> QQitemZ280344839287QQihZ018QQcategoryZ30059QQssPageNameZWDVWQQrdZ1QQcmdZView
> Item
> > >> This gives you two adapters... one which adapts Nikon to T2 (female)
> and
> > >> the other with adapts Leica to T2 (male) and the two are joined at the
> > >> T2 connection.
> > >>
> > >> If you have a different type of bellows then you will need different
> > >> adapters but you may still find that you will require a Nikon to T2
> > >> adapter somewhere in the mix.  Third party bellows (such as those from
> > >> Vivitar) may be found which are already designed to switch easily to
> > >> different mounts and may come with a set of mounts for different
> > >> cameras.  Since Pentax screw threads were also very popular you may
> find
> > >> bellows with Pentax M42mm screw threads or T2 threads (very similar to
> > >> Pentax but not compatible) or both or more.  Nikon body to Pentax M42
> > >> adapters are also available
> > >> <
> > >>
> >
>
> http://cgi.ebay.com/M42-Zenit-Pentax-Lens-to-Nikon-mount-Camera-Adapter_W0QQ
>
> itemZ350164365339QQihZ022QQcategoryZ29971QQssPageNameZWDVWQQrdZ1QQcmdZViewIt
> em
> > >> as are Leica 39mm to Pentax M42 adapters
> > >> <
> > >>
> >
>
> http://cgi.ebay.com/Leica-M39-screw-lens-to-Pentax-M42-screw-mount-adapter_W
>
> 0QQitemZ110322395370QQihZ001QQcategoryZ30059QQssPageNameZWDVWQQrdZ1QQcmdZVie
> wItem
> > >> These are more commonly available than the Leica to T2 adapters so a
> > >> Pentax M42 screw thread bellows would be inexepensively adapted.
> > >> Novoflex bellows are also designed for interchangeability of mounts
> but
> > >> may be more expensive than others.
> > >>
> > >> We need to know exactly what bellows you have if you already have one.
> > >>
> > >> Chuck Norcutt
> > >>
> > >>
> > >> Michael Wong wrote:
> > >>  > Tim,
> > >>> Thank you very much for your information.
> > >>>
> > >>> Recent I read some article at HK photographic forum about mount the
> > >>> enlarging lens on Panasonic G1 for marco shots. I'm interested for
> it.
> > I
> > >> am
> > >>> waiting for Olympus M4/3 body but still no news yet.
> > >>>
> > >>> By the way, is it possible to mount the enlarging lens on Nikon FM2
> > body
> > >>> through bellow?
> > >>>
> > >>> Thanks.
> > >>>
> > >>> ---
> > >>> Michael
> > >>>
> > >>> 2009/5/13 Tim Hughes <timhughes@xxxxxxxx>
> > >>>
> > >>>> Hi Michael,
> > >>>>     This link gives technical information, not really user manual ,
> > but
> > >>>> still interesting.
> > >>>>
> > >>>> http://www.prograf.ru/rodenstock/enlarging_en.html#table1
> > >>>>
> > >>>> I love using these high quality enlarging lenses for macro and micro
> > >> work.
> > >>>> I have an expensive Canon Micro lens, but the Rodenstocks are at
> least
> > >> as
> > >>>> good or better mounted on a bellows. In fact they sell versions of
> > them
> > >> for
> > >>>> industrial use, because the distortion is so low compared with
> normal
> > >> lenses
> > >>>> that they can be used for accurate optical guaging applications.
> > >>>>
> > >>>> Tim Hughes
> > >>>>
> > >>>>
> > >>>> --- On Tue, 4/14/09, Michael Wong <mialop@xxxxxxxxxxxx> wrote:
> > >>>>
> > >>>>> From: Michael Wong <mialop@xxxxxxxxxxxx>
> > >>>>> Subject: Re: [OM] [OT] Questions for enlarging lens
> > >>>>> To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
> > >>>>> Date: Tuesday, April 14, 2009, 7:11 PM
> > >>>>  > Bill,
> > >>>>> I don't fully understand your meaning but really thanks
> > >>>>> for your
> > >>>>> explanation.
> > >>>>>
> > >>>>> By the way, where can I download the manual of the lens? I
> > >>>>> have searched
> > >>>>> google but failed to find.
> > >>>>>
> > >>>>> Thanks.
> > >>>>>
> > >>>>> ---
> > >>>>> Michael
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> 2009/4/15 Sue Pearce <bs.pearce@xxxxxxx>
> > >>>>>
> > >>>>>> If you are using some sort of meter, it gives you
> > >>>>> infinite positioning.
> > >>>>>> With
> > >>>>>> click stops, it can be hard to set an aperture colose
> > >>>>> to a click stop.
> > >>>>>> Bill pearce
> > >>>>>> ----- Original Message -----
> > >>>>>> From: "Michael Wong"
> > >>>>> <mialop@xxxxxxxxxxxx>
> > >>>>>> To: "Olympus Camera Discussion"
> > >>>>> <olympus@xxxxxxxxxxxxxxxxx>
> > >>>>>> Sent: Tuesday, April 14, 2009 9:09 AM
> > >>>>>> Subject: [OM] [OT] Questions for enlarging lens
> > >>>>>>
> > >>>>>>
> > >>>>>>> Have got a Rodenstock Rodagon 80mm F4 enlarging
> > >>>>> lens from B&H. There is a
> > >>>>>>> release button, it makes aperture ring is free
> > >>>>> instead of stopped by half
> > >>>>>>> stop. What is the function for? Besides, I cannot
> > >>>>> rotate the aperture
> > >>>>>> ring
> > >>>>>>> to the slowest speed --- F22. It'll stop at
> > >>>>> F16 position. Although I am
> > >>>>>>> seldom to apply F22 but wish to know why.
> > >>>>>>>
> > >>>>>>>
> > >>>>>>> Thanks all.
> > >>>>>>>
> > >>>>>>>
> > >>>>>>> ---
> > >>>>>>> Michael
> > >>>>>>> --
> > >>>>>>>
> > >>>>> _________________________________________________________________
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> > >>>>>>
> > >>>>>>
> > >>
> >
>
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