Nikon Autofocus 70-300mm f/4-5.6D Nikkor SLR Camera Lens
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This lightweight, compact 4.3x telephoto zoom features Nikon's exclusive ED glass for correction of chromatic aberration. With a close-focusing distance of 5', the 70-300 offers convenient macro capability with a reproduction ratio up to 1/3.9. The 70-300mm f/4-5.6D ED is affordably priced within the range of almost every photographer.
The Nikon Autofocus 70-300mm f4-5.6D is a high-powered 4.3x telephoto zoom lens with a rotating zoom ring and ED glass for high resolution and high contrast even at maximum apertures.

The D-type 70-300mm lens' ED (Extra-low Dispersion) glass overcomes chromatic aberration and keeps light of various wavelengths focused at the same point. This results in a sharper, more contrasty image. It is compatible with any Nikon autofocus SLR camera as well as any AI-type manual-focus Nikon SLR.

Nikon D-type lenses transmit subject-to-camera distance information to the camera. The camera uses this distance information to refine its exposure calculations. The D-type lenses are necessary for many newer Nikon cameras to activate 3D Matrix Metering.

1 An excellent next purchase for the D70 owner
One thing about the otherwise excellent stock lens that comes with the D70 package is that the telephoto is not really very telephoto. At 70 mm you are just about at life size so you don't get much pull for distance, and if you're taking people pictures, you want something that will enhance faces more, and give you more flexibility when shooting things farther away. This is your lens. The picture quality is excellent and it picks up where the stock lens leaves off, so in combination with the two lenses, you're going from an 18mm to 300mm. Picture quality is excellent, what you'd expect in a Nikon lens in this price range. Cons: it's a large heavier lens, it has a funny hood over the front of it, which I haven't been able to divine the purpose, but it's not that obnoxious, and at f/4-5.6, you really need a good quantity of light for it. But if you're looking for a lens that will give you the magnification you find missing in the stock lens, then this is it. The price is very good for the quality you're getting.

Thursday, 04-Dec-2008 19:39:00 CST
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Modern psychology takes completely for granted that behavior and neural

function are perfectly correlated, that one is completely caused by the

other.  There is no separate soul or lifeforce to stick a finger into the

brain now and then and make neural cells do what they would not otherwise.

Actually, of course, this is a working assumption only. ... It is quite

conceivable that someday the assumption will have to be rejected.  But it

is important also to see that we have not reached that day yet: the working

assumption is a necessary one and there is no real evidence opposed to it.

Our failure to solve a problem so far does not make it insoluble.  One cannot

logically be a determinist in physics and biology, and a mystic in psychology.

		-- D.O. Hebb, "Organization of Behavior: A Neuropsychological

		   Theory", 1949