Is the 717 able to produce quality action shots,even with the
limiting "3 burst mode"?
It sure is. IMHO, outdoors it works as well as any DC. For indoor action, it's the best of all the DC's. While I'd like to see a stronger "Burst" mode, the fast lens helps to compensate. There's always trade-offs. Some cameras have better continuous modes, but don't give you the AF accuracy, or lens speed (faster lenses make it easier to attain high shutter speeds in less than ideal lighting).
IMO, no DC will do a great job of it, because of the shutter lag. You can compensate by using continuous or burst modes. So, you can get a camera that all you need do, is point it at the action and fire away. Or, you can get a camera that will give you equally excellent results. But it will take a little more skill and knowledge on your part.
It seems as though the camera is great
except this one limiting feature!
As others have mentioned, Burst3 is weak and takes longer than desireable to process. But, other factors lessen the impact of this weakness.
Does the teleconverter work well
with the autophocus?
Any info is appreciated!
If you get a good TC, you'll get good AF perfomance in most lighting.
Steve
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http://www.pbase.com/slo2k
'If one really wishes to be master of an art, technical knowledge of it is not enough. One has to transcend technique so that the art becomes an 'artless art' growing out of the Unconscious.'