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Thread: Tele-Xenar versus Tele-Arton 250 and 270

  1. #1

    Tele-Xenar versus Tele-Arton 250 and 270

    Hi,

    I wished I could find accurate infos on the Schneider website, but some are missing and others are just too good to be true. Would someone have the exact numbers for both the image circle and the focal flange distance for the following lenses:

    Tele-Xenar 5,5/270 coated (red triangle or later)

    Tele-Arton 5,5/270

    Tele-Arton S 5,6/250

    Additionally I would appreciate any comment on image quality, weight etc.
    Thanks!

  2. #2
    All metric sizes to 24x30 Ole Tjugen's Avatar
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    Tele-Xenar versus Tele-Arton 250 and 270

    Tele-Xenar 5,5/270 coated (red triangle or later): Made for 9x12cm, coverage on 4x5" is adequate but allows little movements. The only data I could find indicates an image circle of just over 7 inches. I can't find the flange focal distance.

    Tele-Arton 5,5/270: Just about the same as above. See Schneider's data page - judging by my experience with the 360mm tele-Xenar, the data is correct.

    Tele-Arton S 5,6/250: Image circle even narrower - made for 9x12cm, not 4x5".

    The only experience I have is with the 360/5.5 Tele-Xenar. It's a good lens for when you need a longer focal length with less bellows draw. Front movements will drive you crazy the first times you attempt it. Sharpness is good, but not outstanding.

  3. #3

    Tele-Xenar versus Tele-Arton 250 and 270

    There are multiple versions (3 I think) of the Tele Arton 250. The latest ones have a much larger image circle than older models and a much larger front diameter to go with it. The two older versions take 67mm filters and just cover 4x5. The last model is 86mm (I think) on the front and cover maybe 190-200mm.

    I have a Tele Xenar 240 f5.5 in Compur. Its compact, quite sharp, covers 4x5 adequately and is of moderate contrast. Compared to new lenses its about one contrast grade softer. It has a very short flange to focal - a good bit shorter than the Tele Arton 250.

    I would be interested in hearing any more information on these lenses you turn up.

  4. #4
    Doug Dolde
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    Tele-Xenar versus Tele-Arton 250 and 270

    I had a 360mm Tele Xenar in a modern Copal shutter and found it to be too soft for my liking. I think the new 400mm ones are better but still a tele is not as sharp as say an APO Symmar.

  5. #5

    Tele-Xenar versus Tele-Arton 250 and 270

    Thanks for all the informations so far! Just what I thought: there are many versions for each model. I own a 46 y/o TeleXenar 360 in Compound and find it acceptable, that's why I am looking for shorter one in the 240-270 range for a top secret project ;-).

    What I need is a sharp 170-180mm image circle and a film to flange distance of less than 200mm. Henry, do you think the 240 5,5 would reach a 170-180mm circle? (The similar TeleArton won't). This lens is much smaller and lighter than a recent Tele Arton 250mm which requires also a longer extension.

    The older 270 Tele Arton has the coverage but I am not sure I can trust the ff distance of 152mm given on the website which seems extremely short and too good to be true, any confirmation on this point? It is also a big lens.

  6. #6

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    Tele-Xenar versus Tele-Arton 250 and 270

    I had a 60s era 270 Tele Arton (67mm filter in Syncro Compur) that had plenty of coverage and sharpness, just lower contrast. Infinity only required 140-150 mm of bellows, it stayed on the first track of my Technika.

  7. #7

    Tele-Xenar versus Tele-Arton 250 and 270

    >Infinity only required 140-150 mm of bellows, it stayed on the first track of my Technika.

    Then the 152mm are accurate. Amazingly short! Thanks Frank.

    Anyone would have the image circle for the 240 f5,5 TeleXenar? (theoretical or actual). It is missing on www.schneideroptics.com

  8. #8

    Tele-Xenar versus Tele-Arton 250 and 270

    Paul,

    I just tried my Tele Xenar 240 on my 8x10 to see what happens on the larger GG. It is about 150mm flange to GG and illuminates about a 200mm circle but it gets very soft nearing the edge at f22 at infinity. I see almost no difference in size of the illuminated circle at 5.5 and 22 at infinity. I know it covers 4x5 adequately but I don't think you will have much if any room for movements. I've only shot film with it straight on and it was sharp across the 4x5 image area.

  9. #9

    Tele-Xenar versus Tele-Arton 250 and 270

    Thank you for going through the trouble, Henry! So it would be sharp on 150-160mm but soft from there... That's just 1 or 2 mere cm missing for my purpose.

  10. #10

    Tele-Xenar versus Tele-Arton 250 and 270

    Paul,
    I think the two latest versions of the Tele Arton might be the ones you want. It seems they both have the larger 190ish image circle specification although I think a longer flange to film distance. Let me know what you find as I might like to own one. My Tele Xenar is nice but I really prefer Copal shutters as thats what I have on all my other lenses and more room for movement would be nice. I'd probably carry that lens with me.

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