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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: Wed, 13 May 2009 22:49:01 +0800
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_W0QQitemZ400049014135QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item5d24c78577&_trksid=p3286.c0.m14&_trkparms=72%3A1234|66%3A2|65%3A12|39%3A1|240%3A1318|301%3A0|293%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_W0QQitemZ250420760792QQihZ015QQcategoryZ15215QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
> >> 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_W0QQitemZ280344839287QQihZ018QQcategoryZ30059QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
> >> 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_W0QQitemZ350164365339QQihZ022QQcategoryZ29971QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
> >> as are Leica 39mm to Pentax M42 adapters
> >> <
> >>
> http://cgi.ebay.com/Leica-M39-screw-lens-to-Pentax-M42-screw-mount-adapter_W0QQitemZ110322395370QQihZ001QQcategoryZ30059QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
> >> 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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> >>
> >>
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> _________________________________________________________________
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> Themed Olympus Photo Exhibition: http://www.tope.nl/
>
>
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