Here’s Clip of a Juvenile Cooper’s Hawk Feeding on a tree days after leaving the nest. I was testing out the ability to capture video using my Nikon D300s, Nikkor 70-300 VR and a 2X Doubler on the lens to give me the equivalent of a 900mm lens.

The TC I used is the Kenko N-AFs 2x Teleplus Pro 300. I chose this TC in the past as it gave me HQ comparable to the older Nikon 2X TC while supporting all the AFS and VR connections. Autofocus is naturally almost non functional at 300mm especially in low light situations. The Kenko TC also had the advantage of mounting on almost any Nikon lens while the Nikon TC-II has limited compatibility. As you may know the 70-300 VR is a good lens for the money but not a fantastic lens. The image quality is still passable for video and the loss of contrast is typical when using a 2X Teleconverter. The poor lighting conditions on that day accounted for additional loss of contrast.

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