In article <1996Sep9.105120.1@spcvxb.spc.edu>, sherman_s@spcvxb.spc.edu says...
>In article <32311800.C4E@sanger.otago.ac.nz>, steve rice >.nz> writes:
>> I am considering buying a 300/2.8 lens for nikon AF mount. Is the
>> added expense of a nikon 300/2.8 worth it in terms of image quality,
>> etc versus a sigma/tokina/tamron lens? I'd be grateful for any advice,
>> thanks.

>Might I recommend the Nikkor 300/4 lens? Price is around $1000 at B&H.
>The results will impress you. I know because my friend was showing me
>some photos one time and I was so stunned at the clarity and brightness
>that I questioned him about which lens he used. He then extracted his
>recent purchase and surprised me. Keep in mind I noticed a difference
>in 4x6 size prints - that says something.
>For the one stop difference you give up, you get a lens you can hold
>and save a few grand in the process.

This is good advice, and I just switched from the excellent Nikkor
300mm f2.8 to the equally excellent (and far more practical, unless
you absolutely need the speed) Nikkor 300mm f4.
Hope This Helps