Bat at night - version 2

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Ganesh H Shankar
Bat at night - version 2
Couple of months back I had an opportunity to make some images of bats at night. One of them I posted earlier here. I returned back yesterday after couple of weeks of vacation near Western Ghats regions. During last week of December I again spent a week photographying flying bats at night. A few things changed for good and few towards bad this time. The bad thing being it was getting quite dark around 6:30pm itself (about 10-15min earlier compared to what it used to be during Oct). It meant a lot for AF performance and my opportunity window to photograph them for everyday got reduced. Another bad thing being bats did not change their time ! Good thing this time however being, I had D700 with much better noise performance compared to D300 which I used earlier. I also learnt some lessons during last sessions about the use of flash and limitations I was living with. Recycle time of one such issue. I took care of some of them. This time I also tried some closer perspectives. Here is one such.

Image details - Nikon D700, Nikon 70-200mm AF-S f2.8, manual exposure - f2.8, 1/80s at ISO 1000, SB-800, 98% failures, a few acceptable ones from 1 week experiments, about 10 minutes each day.


Here again the image is far from perfect for my taste - flash light creates glowing eyes - not sure how to get that eliminated. If you know a solution please let me know. Details are not as good compared to details that we see in flight images of birds made during day time thanks to low light and exposure accuracy. Exposure meter always screamed under exposure. AF-assist lights will not help since bats seem to take different route the moment they see some continuous source of light. No, I am not planning on buying 200mm f2 lens for this purpose :)

Thanks for your views..
Mon Jan 05, 2009 6:19 pm
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Ganesh H. Shankar
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Ganesh H Shankar  Joined CNP On 24 Apr 2008    Total Image posts 973    -   Total Image Comments 7904    -   Image Post to Comment Ratio 1:8    -   Image Comment Density 38     -     Total Forum Posts 956

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Commentby Shankar Kiragi on Wed Jan 07, 2009 3:52 am

Ganesh, This is another master piece from you. To me glowing eyes is perfectly ok. I have seen many excellent images of creatures with glowing eyes. Most creatures' retina are wider and even placing the flash off the camera direction is likely to have glowing eyes inthe image, just my thoughts.

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Cheers, Shankar Kiragi

Commentby krishnan v on Sun Jan 11, 2009 10:05 am

Wonderful shot Ganesh. Tough one to pull off in the wild.

As for the "glow" I would recommend you try off camera flash to reduce eye glow. Idea is to increase the angle between the lens axis and the flash (these imaginary lines converge on the subject) Maybe have an assistant hold the mail flash away and use the in-camera flash, as a remote trigger after either using a reflector/ diffuser on the pop up flash .

As for faster recycle times, two options.

1. External battery pack like the Quantum Turbo http://www.adorama.com/QTTX2.html / Digital Camera Battery http://www.digitalcamerabattery.com/
2. Powerx 2700mH rechargables. http://www.naturescapes.net/store/produ ... =73&page=1

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Best Regards
---Krish
http://www.krishphoto.com



» Last edited by krishnan v on Sun Jan 11, 2009 10:12 am; edited 1 time in total