I was surprised how this shot processed, I expected to be a much too small crop...but it looks reasonable on my screen..
I'm really pleased with the IQ from the 100-500 even with extenders
_VR64801v1 by brianvickers, on Flickr
.also tried birds in flight with the extender attached to see if focus tracking would be ok.
_VR64932v1 by brianvickers, on Flickr
...and a robin at fairly close range
_VR65184v1 by brianvickers, on Flickr
I'm really pleased with the IQ from the 100-500 even with extenders
![](https://live.staticflickr.com/65535/52800728251_63248e4471_k.jpg)
.also tried birds in flight with the extender attached to see if focus tracking would be ok.
![](https://live.staticflickr.com/65535/52801123800_d5aac8ed84_k.jpg)
...and a robin at fairly close range
![](https://live.staticflickr.com/65535/52801171053_90b6378377_k.jpg)
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