Which one, NikonD5000, D40 or D90

[KmH]

And not a single response from the OP. :scratch:

 

[KmH]

d90 no doubt! has built-in motor which can save you when buying lenses with no motor.

1. Most of the lenses Nikon now offers have a focus motor in them (AF-S) and Nikon probably won't be introducing any new lenses that don't (AF).
2. Most of the lenses that don't have a focus motor (AF) have a less expensive AF-S version (with a focus motor) available for the average consumer.
3. Most of the top pro lenses are also all AF-S, even though all the pro cameras have a focus motor in them.
4. If you put an AF-S lens on a Nikon bodythat has a focus motor in it, the camera uses the in-the-lens focus motor because there is no way to connect the in-the-body focus motor to the focus mechanism in the lens.

 

[NateS]

Yeah, the focus motor is nice, but in all honesty, that is one of the lesser reasons to get the D90...there are many other things that I think are more important upgrades on the D90 than that.