New answers tagged telephoto
As a bird photographer (I was founder of the bird photography group on G+) I have to say that photographing birds is hard. The areas around birds tend to be clutters (leaves, branches, etc) and this can confuse the autofocus. Light is normally marginal so you need the large apertures, which narrows depth of field, so any auto focus mistake kills the image. ...
Back in the days when the Earth was cooling and I was in high school we never had these problems. Focusing on wildlife in the trees was very simple - look at it, turn the ring until the creature was in focus, press the button. So if the autofocus system can't make up it's mind just flip the switch on the side of the lens and do it the old-fashioned way. ...
When you use a larger sensored camera, you're going to be working with a thinner depth of field either due to using a longer lens, or from being closer to the subject to get the same framing. The reason the Fuji and Nikon bridge cameras don't have as much trouble focusing is that with a smaller 1/2.3"-format sensor and a superzoom lens that has 500mm or so ...
This 300mm seems to be lightweight (755g), but definitely not cheap! http://www.bhphotovideo.com/c/product/1111442-REG/nikon_2223_af_s_nikkor_300mm_f_4e.html
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