SB 600 + Ducks

Discussion in 'Digital SLR' started by Bruce, Jan 7, 2007.

  1. Bruce

    Bruce Guest

    I've just joined the Wildfowl & Wetlands Trust in the UK. So off I went to
    photograph some ducks.The gear I was using is Nikon D70, SB600 & Nikkor
    70-210mm F4 AI-S lens. Today on my 3rd visit I tried setting the ISO to 400
    then 800 and set the flash to TTL-BL but found I had to reduce the flash by
    one stop but it was still a bit overpowering (very dull overcast day). Has
    any one any experiance with this subject as I want to get more involved.

    Thanks Bruce (UK)
     
    Bruce, Jan 7, 2007
    #1
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  2. You can cut it back farther if desired. I'm not sure how far your subject
    is away from you, but I find adding a diffuser to work extremely well, even
    outdoors. The SB600 doesn't come standard with one. See if you can find
    one that is supplied with the SB800 or get yourself a rubbing alcohol bottle
    and cut to fit. Yes, the alcohol diffuser works just as good as the totally
    overpriced Gary Fong Lightsphere.







    Rita
     
    Rita Ä Berkowitz, Jan 7, 2007
    #2
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  3. Bruce

    Rudy Benner Guest

    I dial the flash down about 3 stops in TTL-BL, if that is too much, I put
    the strobe in manual mode.

    Birds are very uncooperative when it comes to photographers.
     
    Rudy Benner, Jan 7, 2007
    #3
  4. Bruce

    RichA Guest

    A strip of that frosted, semi-transparent adhesive tape across the lens
    of the flash sometimes works.
     
    RichA, Jan 7, 2007
    #4
  5. Bruce

    Bruce Guest

    I must admit I thought the reduction of -1 stop would have been about right,
    the exposure at ISO 800 is shown as 1/250 @ f11 I assumed that the TTL-BL
    would be equivalent to f8

    Bruce
     
    Bruce, Jan 7, 2007
    #5
  6. You don't say what metering mode you used.
     
    Ed Ruf (REPLY to E-MAIL IN SIG!), Jan 7, 2007
    #6
  7. Bruce

    Bruce Guest

    The metering was centre weighted.

    Bruce


     
    Bruce, Jan 7, 2007
    #7
  8. So your statement the photo is over exposed takes into account what you
    actually metered off? If would help to post an image and denote what in
    camera settings where used.
     
    Ed Ruf (REPLY to E-MAIL IN SIG!), Jan 8, 2007
    #8
  9. Bruce

    Bruce Guest

    Hi Ed

    The photos were taken as NEF (RAW) so are rather large. My first visit was
    on a brighter day & I took them without flash, on my second visit I noticed
    people were useing flash but I only had the cameras built in flash but even
    that was an improvement, by my third & last visit I had bought a SB 600 and
    set it TTL-BL reducing the output to -.70 & -1. It was a very overcast day
    so I increased the ISO to 800 this allowed me to use 1/250 in Shutter
    Priority mode. As I am still trying out various settings the shooting
    distance was only between 6 to 25 feet using the 70-210 lens. I have since
    read on some wildlife sites that the flash can be reduced as much as -3.
    What is your experiance?

    Thanks Bruce UK
     
    Bruce, Jan 8, 2007
    #9
  10. I don't have experience here. However, I am confused by your choice of
    center-weigted metering.

    From my copy of Thom Hogan's Guide to the D70,
    i-TTL-Balanced Fill-Flash, p.307:
    "The camera balances exposure information from the matrix meter with
    additional information from the lens and .....

    I would seem to me at first glance you should be using matrix metering
    instead of center-weighted.
     
    Ed Ruf (REPLY to E-MAIL IN SIG!), Jan 9, 2007
    #10
  11. Bruce

    Bruce Guest

    I tried all 3 types of metering & matrix seemed the best , yet even so the
    flash seems to need reducing more than -1 stop. I have now set the D70 to
    continous focussing & will vary the flas from -1 to -3 and see which is
    best. The birds are generally on dark water so that may throw things out a
    bit.

    Bruce
     
    Bruce, Jan 9, 2007
    #11
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