Originally Posted by
GrumpyDiver
Nick - let me give you some of my thoughts.
First of all, you are shooting a Fujifilm FinePix SL1000; a superzoom and all three shots were taken at 215mm, which is as far as the zoom action will go (1200mm FF equivalent). I don't know if the images you are showing are cropped or full frame.
1. Motion blur - There will be motion blur for sure; based on the shutter speeds you are using. Even with image stabilization (I assume it has been turned on?) this is only going to help so much. I don't know how effective your stabilization system is, but the longer the focal length, the less effective it is likely to be. You are hand holding. I would not consider using anything less than around 1/750th sec; and higher if I could.
2. Your too far away from your subject - to quote the late Robert Capa; "if your pictures aren't good enough, you're not close enough". While the camera does support long focal lengths there are too many issues, from camera shake introducing motion blur, lens issues (softness at the long end is quite common), atmospheric issues (density changes in the air due to thermal gradients are far more of an issue with long focal lengths). Try to get closer and shoot more reasonable focal lengths. I'd say you'd be doing well to stay under 600mm FF equivalent to see if that does anything for you.
At 1200mm FF equivalent, your depth of field will be razor thin. If your autofocus has made the "wrong" selection or is off a bit, your image will be soft.
3. Equipment limitations - While a lot of people will tell you it's the photographer, not the camera that creates great images, there is some truth to that, BUT not if you are getting into the extreme type of shooting you are. A superzoom lens with a 50x zoom factors will have a lot of design tradeoffs made to get you that much magnification. This usually means you have to live with a degree of distortion, some aberrations and some level of softness. I expect that some of the softness you are seeing is due to the lens itself.
4. Technique - I don't know how you are holding your camera; but frankly at the focal length you are shooting at, this becomes critical. I shoot using a tripod whenever it is practical to do so. In my view that is one reason my shots are sharp. I also tend to use fairly good lenses that are sharp.
I rarely use complex focusing techniques, but tend to use a focus and recompose strategy for any subjects that are not moving too much. I try to focus on the eye closest to the camera on my people and animal shots. I don't know if your camera lets you do some of these techniques, but they work well for me.