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D5000 + AF 300 f/4

tincam7

US
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tincam7 Registered since 07th Sep 2012
Wed 28-Nov-12 12:24 AM | edited Wed 28-Nov-12 12:33 AM by tincam7

Hello!

I am stuck with my D5000 for now, although I want to upgrade to a D600 , but in the meantime I am trying to be productive in getting better equipment (I cannot afford a better lens currently) to help me make better images of birds, and at the same time be able to use the equipment to its full potential when I eventually get the D600. I just started using an old Rokunar 2x teleconverter (that I forgot I had) with my AF 300 f/4, so effectively 900mm. But I noticed that I am getting an increased amount of chromatic aberration on the images. Is this simply due to the poor quality of the teleconverter? I soon will have a Kenko 1.4x DGX teleconverter, but is there anything I can do in the meantime to increase IQ? Any suggestions for this lens and camera combo would be helpful.

I am posting a shot I took today, just trying out the combo for the first time. I tend to shoot wide open, but when I noticed the aberrations I switched to f/5.6 and I think once or twice f/8 (It was a cloudy day today).

Click on image to view larger version


Crop:
Click on image to view larger version


I normally do not see as much chromatic aberration as I was seeing today.

Thanks for looking!

— Cameron

Check out my photography at www.tincam.weebly.com
Photographer | Teacher | Nikonian

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