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  1. #1
    Rhodes's Avatar
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    Meopta Optemus 3 Lens question

    I got a Meopta Optemus 3, and now? Well the answer is begin using it!
    I want to ask were I can find a good MF lens for it, since mine came with the belar 50mm f/4.5 lens, but I want to print also my 6x6 negs!
    Also, where I can get the filter support for the Ilford MG paper filters? Only the filter support because I already have the filters. I am asking for the ones that are put below the lens.

  2. #2

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    The answer depends on what lens board you have. Since you mentioned the 50mm Belar, my guess is you have a 23.5mm thread lens. Look on ebay, you should be able to find an older 75mm Belar in the same thread. Or, you can take your lens board to a machinist and have them enlarge the opening to 39mm and use pretty much any enlarging lens you'd like. You'll need to make sure the lens come with the jam ring.

    There are a couple of different Ilford enlarging filter sets. Do you have the one with the handle? I'll go check my Meopta later today and see if I can figure out a solution, since I need to do the same thing

  3. #3

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    Yes, go the 39mm route, the 39mm lens boards for the Opemus models 3-5a (and for model 6) are still available new from Fotoimpex in Germany, price is reasonable (around 15 Euros). Alternatively, you might be able to source these parts from nova darkroom in the UK.
    Fotoimpex also has some stocks of other Meopta accessories. In case you need anything for your Opemus it might be a good idea to get it while supplies last.
    With a 39mm lens board you can choose any of the high quality (6 element) 80mm lenses from the major manufacturers, e.g. Rodagon-S (Rodenstock), Componon-S (Schneider), Nikkor EL (Nikon) etc. These should be availabe for around 50 Euros or so. With the prices for used gear being so low nowadays, I wouldn't settle for any cheaper lens. Make sur you have the right condenser for MF. I am not familiar with the Opemus 3, but usually you have to change some condenser parts to adapt the illumination system to the different formats.
    As for the filter question, I am not aware of any pre-fabricated holder for the Opemus. If you don't have a filter drawer in your Opemus it might be easiest to just handhold the filters under the lens while exposing.

  4. #4

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    The easiest solution for the lens 'problem' is to buy the 39mm mounting ring and look for a suitable second-hand lens i think. The larger size mount is much more common than the small one.

    The filters you are talking about are presumably the rigid disk, mounted in a rectangular plastic frame, from Ilford? It is simple to make a little tray out of foamboard and glue, approximating the moulded plastic Ilford version, then mount it with a scrap of metal sheet as a bracket using a convenient screw on the lens stage (there is one which holds in the post for the red swing-filter I think). It would even be possible just to take off the red filter and mount a tray to the post. There is no high-tech system required for this purpose, so long as there is no glare around the holder and the filter is clean.

  5. #5
    Rhodes's Avatar
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    I see! Yes, my lens should be a 23.5mm, since the lens is quite small! So is just get the lens board and change it? I found some 75mm lens on ebay, but they need cleaning and etc, so I decided to ask to see if some good lens were still selling on shops, since I know that Fotoimpex sells material for meopta enlargers.
    From what I saw on the manual, the enlarger does small/miniature format to 6x6 (lovely, since I only do 35mm of the miniature format...) and the negative carrier has sliding bars to match the negs size.
    No need to change any parts, I think.
    The filters are these:
    Click image for larger version. 

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    Click image for larger version. 

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    here we can see the holder.
    I thought that the holder and universal or almost universal. I got the filter set from a old lab that was deactivated but the holder was on the enlarger (a durst 1000) that I couldn't buy since I was property of the University and they don't sell and it still rotting in a corner...

  6. #6
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    The holder that comes with the Kodak Polycontrast or Polymax filters works with the Ilford filters, so if you find one of those it will solve your problem.

    I have an entire set you could have, but the cost of postage might be prohibitive.
    Matt

    “Photography is a complex and fluid medium, and its many factors are not applied in simple sequence. Rather, the process may be likened to the art of the juggler in keeping many balls in the air at one time!”

    Ansel Adams, from the introduction to The Negative - The New Ansel Adams Photography Series / Book 2

  7. #7
    Rhodes's Avatar
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    Thanks, will look for the holders, and thank you, but I already have the filters, so just need the holder!

  8. #8

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    There is nothing magical about the filter-holder - it is just a bit of plastic after all. I'll borrow a digi-camera and post a picture of the one I made for my Meopta (an Opemus-6 Super). I have two enlargers and one set of filters so knocked up a 'temporary' filter-holder solution out of foamboard - but it has now been used for nearly four years so it is not so very temporary perhaps.

  9. #9

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    Quote Originally Posted by Rhodes View Post
    Thanks, will look for the holders, and thank you, but I already have the filters, so just need the holder!
    i didn't realize you had the filter set with the plastic frame, sorry for the misunderstanding. Part of the set is normally a holder that is attached to the enlarging lens and allows inserting the filter disks. It is part of the package, maybe you can recheck with the place where you bought the filters if it is still there. See the picture below.

    One more thing, as you bought the filters used, make sure they have not bleached, because they do bleach when used a lot. I assume it is possible to replace the sheets in these holders, so open them carefully and check if color in the middle has bleached compared to the color in the part that is usually covered by the plastic rim. The filters will not bleach by themselves but from the light of the enlarger, so the filter grade that are used most (#2-#3) are most likely to have bleached. If yes, the filter has to be replaced, unfortunately they are not cheap and AFAIK only available as complete sets.

    When I rebuilt my darkroom a couple of years ago it was cheaper to buy a used color head 3 and power supply for my Meopta (Magnifax) then a set of filters, but I fear that the color head 3 will not fit the older Opemus models
    Attached Thumbnails Attached Thumbnails Multigrade_Filtersatz_unter_Objektiv_1.jpg  

  10. #10

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    There was a colour head for the Opemus 5 too, but I think the Opemus 3 pre-dated the first Meopta colour head. I'm not even sure that it has a filter-drawer actually? The Meoptas do give excellent value for money though, as they are well made and with very practical features built in.

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