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  1. Re: Is there any way to not lose detail when resizing for web?

    In Photoshop, you can chose which algorithm will process the image when you change it's size. Adobe recommends "bicubic" as producing the best quality. This is true when the image is made larger or...
  2. Re: Tele-Arton Multicoating 5,5-270mm owner sought

    Hi Jonathan!

    Thanks for the trouble! I have found a tool to convert your inches measurments into milimeters, and the results prove that we are contemplating another species of that enigmatic lens!...
  3. Re: Tele-Arton Multicoating 5,5-270mm owner sought

    that's the one if it decides to show up...
  4. Tele-Arton Multicoating 5,5-270mm owner sought

    Hi, wanting confirmation that the lens I have in my hot little hands (all black version engraved "Multicoating" on the front rim) has been mismatched with the rear element of another Tele-Arton...
  5. Re: Does someone know about this plastic stuff?

    Hi Barry,

    How many? Well, one would probably suffice unless you recommend putting two? (sorry couldn't resists!) :)

    Would you have a metric 60xM.9 retainer for a Compound #3? If so please...
  6. Re: Does someone know about this plastic stuff?

    Hi Barry,

    Certainly not! Not even for the $80 that a large custom made retainer costs. But if the hole is tight and the job well done, I see no reason why this should happen. And most lenses have...
  7. Re: Does someone know about this plastic stuff?

    Paul,

    Yes that's a very good idea! I was reluctant to oiling the threads but did not think of using teflon tape which is of course much better and more secure.

    Thanks!
  8. Does someone know about this plastic stuff?

    Some years ago I saw this stuff advertised at the local DIY store, but now that I need it it has disappeared from all hardware stores! Does someone know about this plastic that comes in pellets and...
  9. Re: Zeiss Process Lens to Soft Focus Conversion?

    Interesting idea, but it won't work that way. Imagons are especially designed to produce a diffusing effect by some optical aberrations (spherical aberration I believe but I could be wrong). The...
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    Tele-Peconar

    Thanks Mike, I have seen it but I would need the table of correspondence of light fallof with focal length, for I suspect that this is not a constant aperture design. If someone has it, it would be...
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    Tele-Peconar

    Would anyone have a a shot of the table or an explanation for the different markings on the Tele-Peconar 500-1000 barrel?
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    EverSmart Supreme and oXYgen Supreme

    Creo (now taken by Kodak) has online tutorials on https://ecentral.creo.com/index.asp

    You need to register first to access, then follow the link: product training, web based training, oXYgen, ICC...
  13. Kodak Announces Cancellation of Digital Products

    Pfew!
  14. How to induce spherical aberration with purpose ?

    Way too long for a CCD! I remember now that the Super Angulon 5,6 used with a single element was producing something interesting. Not exactly what I am looking for though. But I doubt I could mount...
  15. How to induce spherical aberration with purpose ?

    Just curious, are the Universal Heliars available in short focals, around 100mm ?
  16. How to induce spherical aberration with purpose ?

    Thanks for the suggestions. I guess there is place for experimentation there! BTW, I didn't know the Heliars were such lenses.
  17. How to induce spherical aberration with purpose ?

    This is not specific to large format, but it's a fun project and maybe someone will come with an idea. I like the effect I get when I attach a +1 diopter to my Nikon 2,8 80-200. Between 180 and 200mm...
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    CMYK Conversion

    I'm not a color guru, but I can identify with your disappointment more than I wished. One question that is often overlooked is to know what settings will be used by the printer to convert the RGB...
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    Fractional diopter closeup lenses?

    I was going to ask the same question on another forum! For me 77 or 72 mm. Thanks!
  20. Apo Grandagon 35mm Ultra wide & Toyo VX 125 ?

    >What the heck will you be shooting with a 35mm lens? My 65mm is gathering dust in the closet, because I find it so absurdly wide.

    You have to think 120 film with those lenses. A 65mm on 6x7...
  21. Apo Grandagon 35mm Ultra wide & Toyo VX 125 ?

    The way I went was to get two adapters for the Technika boards. I have a flat one for the usual lenses and a 40mm recessed adapter for the 65mm and 47mm. The flange to film distance can be set as...
  22. How Do You Stabilize You Technika w/ Long Lenses?

    Scott, I have had no problem with stabillity using the Fujinon C 450 mounted on a 10cm Wista extension tube. On the other hand, anything heavier (I used the Fujinon T 600 weighing 1kg!) was a waste...
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    How to store-archive color slides?

    Tim, thanks!

    The website works but for some reason the content of the pages is shifted to the right.
    I found these products:

    http://www.secol.co.uk/COLOURVIEW.SHTML open two sides (they do...
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    How to store-archive color slides?

    Thanks! Yes it does help. I wish I knew if the sleeves furnished by the lab are archival or not. It is a material that seems strong but tears easily once a cut is started. The mylar sleeves are no...
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    My positives just came out black

    Manuel, make sure that you are inserting the film the proper way. There is a release button on the side. To remove a properly inserted film, you need to push the release button left, grasp the...
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    How to store-archive color slides?

    Thanks for the extensive description and links! Maybe I should ask the manufacturers what the composition of their product is, as suggested. But of course, the products evolve and my stock is for...
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    How to store-archive color slides?

    Polyester should be better than any other material I guess for it is the base for film itself. It is also thin and light compared to polyethylen. This should suit my paranoia, I'm just sick with the...
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    How to store-archive color slides?

    Is there any risk with metal boxes like the ones sold in DIY stores, IKEA, or with biscuit boxes? The lid closes pretty tight, I don't know if this is a plus or if films need to breathe. I would...
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    How to store-archive color slides?

    Thanks Tim. Great resource thanks to Mr Wilhelm, I couldn't find the chapter end: "In short" though. ;-)

    Polypropilene seems to be trustworthy. Found nothing on cardboard film boxes but I have to...
  30. On Docter Optics... and "testing" 210mm lenses

    I just sold one of the recent DO Tessar 4,5 210mm in Copal 3. I used that lens for table tops when I needed confined sharpness and a blurred background. It was crisp even wide open and covered enough...
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    How to store-archive color slides?

    The question was asked recently for negatives, and I think I know that slides behave differently.

    For the time being, I have had some of my slides in Panodia or Herma sheets, but most are still in...
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    Tele-Xenar 5,5 - 800mm

    Interesting to see the prices then! I came across a pay check established in that year a few years ago. A monthly wage for a worker with bed, board and laundry done was around DM 100 equivalent! ...
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    Tele-Xenar 5,5 - 800mm

    Another look at the Schneider website has confirmed that the lens is tight on 8x10 but will cover. Image circle is 312mm at f16.
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    retaining ring for old lens

    I have an old Tele-Xenar 360 on Compound for which I couldn't find a retaining ring at a decent cost (intl. shipping is prohibitive). I cut a 1cm wide strip of thin hard cardboard, made two turns...
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    Tele-Xenar 5,5 - 800mm

    Thanks Thomas. I thought it would cover 8x10 but you are right about 5x7. I bought it at a bargain price too in a buy it now auction, kept it for a couple of years, used it a bit for landscapes with...
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    Nikkor 800mm f12 T-ED Covers 7x17?

    A quick try onto the wall show an image circle of at least 40cm for the 800 and 1200. If you are shooting color, you might run into color fringing though beyond the specified image circle. However,...
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    Tele-Xenar 5,5 - 800mm

    I typed it wrong! It is a 500mm !

    Sorry : (
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    Tele-Xenar 5,5 - 800mm

    How much should I have asked for a mint Tele-Xenar 5,5 800mm in the 10,695,xxx range? (It is sold already)

    Does this lens cover 8x10 well?
  39. Tele-Xenar versus Tele-Arton 250 and 270

    One more detail: I have seen some recent multicoated Tele-Artons 270 5,5. They are probably not the same design as the older ones, are they? I would supect that they require a longer extension, just...
  40. Tele-Xenar versus Tele-Arton 250 and 270

    Thanks again, Henry.

    If someone has it, I would be interested in knowing if the Tele-Xenar 270 f:5,5 differs from it's Tele-Arton counterpart. Apart from the design with one more element for the...
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