teleconverters for Nikon

Discussion in 'Nikon' started by patton paul, Aug 19, 2003.

  1. patton paul

    patton paul Guest

    I have a Nikon N90s camera and do lots of photos of insects and other
    small animals, lately mostly butterflies and dragonflies. I have a Nikon
    AF 70-300mm zoom lens and a Nikon 28-105 mm zoom. I mostly use the
    70-300mm lens for close ups, in combination with Kenko 36, 20, or 12 mm
    extension tubes, or Nikon 5T or 6T closeup lenses. I'm thinking of adding
    a teleconverter to my collection of accessories, since this would allow me
    to be at a greater distance from the butterfly, but still have it fill the
    frame. I have two decisions to make. First, I need to decide whether to
    get a 1.4x or 2x teleconverter, and I need to decide what brand to buy.
    Unfortunately, Nikon doesn't seem to make an autofocus teleconverter that
    is compatible with my camera. I'm seriously considering Tamron
    teleconverters, which are available at a local photography shop with the
    1.4x for $139.00 and the 2x for $179.00. Does anyone have an opinion on
    the quality of Tamron lenses, or have any suggestions about what other
    brands I should consider? With the 1.4x converter I would lose one stop
    worth of light, and with the 2x converter two stops. Loss of light may be
    an important consideration for closeup photography, because I usually use
    or greater to maximize depth of field. If I use film with ISO greater
    than 200 to compensate for loss of light, will I have problems with
    graininess in enlargements to 8x10 or larger (I use slide film and have a
    Polaroid SprintScan 4000 slide scanner. With my Epson 1270 printer I can
    print digital enlargements up to 13x17, and so would be concerned about
    preserving image quality up to this size, although I more frequently print
    8x10s). Comments on this issue of 1.4x vs. 2x and the consequences of
    light loss would be highly welcome, especially from people who have tried
    butterfly photography with similar lens combinations. Thanks.

    Dr. Paul Patton
    Research Scientist
    Beckman Institute Rm 3027 405 N. Mathews St.
    University of Illinois at Urbana-Champaign Urbana, Illinois 61801
    work phone: (217)-265-0795 fax: (217)-244-5180
    home phone: (217)-328-4064

    "The most beautiful thing we can experience is the mysterious. It is the
    source of all true art and science."
    -Albert Einstein
    patton paul, Aug 19, 2003
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  2. patton paul

    columbotrek Guest

    I tried a Tameron 1.4x Pro 300 series converter. It did not allow auto
    focus to work on my F100 or N80 with the 80-200mm f/2.8 or the 105mm
    f/2.8 which was a deal breaker for me so I sent it back. I have read
    the the Kenco works but have not tried it. Good luck.

    patton paul wrote:
    I'm seriously considering Tamron
    columbotrek, Aug 19, 2003
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  3. This is not totally responsive to your question, but it is pertinent.
    My wife does a lot of bugs and flowers, and bugs in flowers.

    I took several of a dragonfly that rested on our deck this weekend. I
    got the veins in the wings and other details really sharp, handheld. .

    For all of this sort of thing we use a 105 MicroNikkor rather than a
    zoom. It is not cheap, but if you do that sort of thing all the time,
    you will be happier than with a zoom. We would always use a tripod
    with this lens whenever we can, but it can be used handheld to great

    If you think I am kidding maybe you should rent one for a day.

    Rodney Myrvaagnes J36 Gjo/a


    Most experts voice cautious optimism
    Rodney Myrvaagnes, Aug 19, 2003
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