Nikon 300 f2.8 lens

I am trying to decide on whether to purchase a Nikon 300 f2.8 AF-I or AFS. Is the difference for field use worth the difference in price?

If this is a question about whether it is worth paying extra to get Nikon's new "silent wave" focus motor in a 300mm f/2.8 lens, you're the only one that can answer that question, and you can only answer it for yourself. When Canon came out with their long telephotos equipped with ultrasonic focusing motors, it allowed them to make a decent sized dent in Nikon's market share, so for some people this kind of capability was worth switching camera systems over. For other people, and other kinds of photography, this technology is an unnecessary bell or whistle.

Is this a nature question?

 

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I believe the main advantages of Canon's ultrasonic motor (presumably applicable to Nikon's AF-S) are

 

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1.)Speed of autofocus. The motor itself is faster and it also stops more quickly leading to less "hunting."

 

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2.)Quiet

 

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3.)Ability to manually focus without having to switch the lens to MF. Since you can't separate the shutter function from the focus function with Nikon, however, this advantage may be lost with the Nikon system.

 

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Is that worth the price difference? I don't know, since I can't afford

*any* 300 2.8.

Given the choice, I would opt for the newer, faster, quieter, etc. lens. With newer bodies coming out all the time, they are designed with the latest lenses in mind. They will work well with all Nikkor older lenses(one big advantage of Nikon over Canon IF you already have nikon) but only have ALL FEATURES usable with the latest lenses.

If you get an N90s or F5 or some other newer & later edition, having the lens that will take advantage of all its capabilities will only be a plus. This hobby/passion is about images. Whatever helps you get them is the way to go. Some live with manual only & always will while others go with technology & never quit buying. Generally you can't go wrong with the benefit of the latest in technology in quality gear. Good luck