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Thread: 8x10 lens for closeup work

  1. #1

    Join Date
    Mar 2001

    8x10 lens for closeup work

    Hi guys, here's a noobie question for you. I did some fairly close-up work when I was down in New Orleans recently, and I discovered that my Rodenstock Sironar-S lenses lose some sharpness when I get up within a few feet of the subject and the lens is wide open. Can you suggest a lens that is optimized for this kind of work, maybe in the 300-360mm range, that will cover 8x10?



  2. #2
    Photo Dilettante Donald Brewster's Avatar
    Join Date
    Feb 2000
    Malibu, CA

    8x10 lens for closeup work

    14" APO-Artar.

  3. #3

    Join Date
    Dec 2001
    San Joaquin Valley, California

    8x10 lens for closeup work

    305 G-Claron.
    I steal time at 1/125th of a second, so I don't consider my photography to be Fine Art as much as it is petty larceny.
    I'm not OCD. I'm CDO which is alphabetically correct.

  4. #4

    Join Date
    Sep 2003
    Massachusetts USA

    8x10 lens for closeup work

    300 Fujinon A if you can find one. Good for distance and close work.

  5. #5
    Join Date
    Jan 2001

    8x10 lens for closeup work

    If you're getting down to 1/3 life size: 300 Macro-Sironar, if you can find one.

    But maybe we need to take a step back. I don't know of any big-camera lens that's optimized for close-range use wide open. Also, DOF is going to be so thin hardly anything will be in focus anyway - unless you're just shooting flat surfaces, in which case the problem is to place the plane of focus exactly right. What kinds of things were you trying to photograph?

  6. #6

    Join Date
    Sep 1998
    Buford, GA

    8x10 lens for closeup work

    the 120 and 180 Rodenstock Apo Macro Sironar lenses more then cover 8x10 at 1:1 and at lower ratios and will easily outperform a non macro.

    however none of the lenses are designed or corrected for wide open use.

    The S should be performing to spec down to 1:5. Were you closer then that?

  7. #7

    8x10 lens for closeup work

    I'd consider a good process lens (G-Claron, Ronar, GR-II...) which can serve as a close-up and double as a regular distance lens. One nice thing about the process lenses is that they often have very small f/stops (f/128-180-256) which will give you that little extra depth of field. Personally, I'd rather have the option of losing a little to diffraction than a lot to depth of field. Bear in mind that shutter-mounted process lenses often lose the small f/stops of the barrel lenses.

    You might also consider something in they 150-210mm range, as you'll have the bellows way cranked out, (then consider one that will still cover 8x10 at infinity). This will also gain you back a slight bit of depth of field, which, as Oren noted, will be extremely limited, and only moreso with longer lenses. With the bellows extension you'll be using for close-up, the perspective will be that of a longer lens.

  8. #8

    8x10 lens for closeup work

    What are your subjects?

    I actually use a 355 G-Claron for this sort of work when I need a long lens. Not for static subjects, but for portraits. I stop down between f/11 and f/16, though I have used it at f/9. Reproduction ratios vary between 1:2 and a little over 1:1.

    It works fine, but I don't know that it's much better than your Sironar. Most LF lenses suffer at wide stops and depth of field is fairly shallow at such subject sizes, making it tough to know when the conditions are difficult and when the lens isn't the best.

    Additionally, all of the 8x10 "macro" lenses people generally use are slower than the taking plasmats, by one or two stops. Wide open isn't going to be as wide open with a G-Claron, an Artar, or a Ronar.

  9. #9

    Join Date
    Nov 2004
    Orange, CA

    8x10 lens for closeup work

    The Cooke XVa convertible is marketed as a wide-open 8x10 lens, although at such a short focus distance I am skeptical that anything other than a dedicated macro or process lens will suffice. I owned a Cooke for a while last year, and at fifteen feet the 311mm focal length was every bit as sharp and contrasty wide-open as my 300mm APO Sironar-S. I did not test it at any closer distances. Clive Russ has done a lot of testing of the Cooke, so it might be worthwhile checking with him. I also had some direct discussions with Cooke regarding optimal focus distances for the longer single-cell focal lengths, and the Cooke folks were extremely open and responsive; but we never discussed the 311mm dual-cell configuration in this context.

  10. #10

    8x10 lens for closeup work

    Hello Chris.

    For the past year or so I have been using a Schneider APO Symmar 'L' 300mm F5.6 with a Copal 3 shutter. I bought the lens new, specifically for my Sinar P2 8X10. It has performed extremely well in close up and distance work. The only downside is that it is a very large heavy beast..

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