I am very pleased with the results of my test.

I am very pleased with the results of my test.  Read Less

9 with the teleconverter which helps with the long shots at football games.

9 with the teleconverter which helps with the long shots at football games.  Read Less

Image quality degredation is not noticeable to me at all.

Image quality degredation is not noticeable to me at all.  Read Less

The 150 sigma is about the only lens i know of that equals the quality of l glass.

The 150 sigma is about the only lens i know of that equals the quality of l glass.  Read Less

As good as any available at half the cost.

As good as any available at half the cost.  Read Less

And as for return shipping their postage was less than what i ended up paying at usps.

And as for return shipping their postage was less than what i ended up paying at usps.  Read Less

8 a f4 but still a good way of getting a 400mm f4 for a small price.

8 a f4 but still a good way of getting a 400mm f4 for a small price.  Read Less

I have nikon d700 & d90 and sigma 70-200mm f/2.

I have nikon d700 & d90 and sigma 70-200mm f/2.  Read Less

Makes sense to use a sigma teleconverter on a sigma lens.

Makes sense to use a sigma teleconverter on a sigma lens.  Read Less

- sigma is a top notch teleconverter, the fit finish is top of the line.

- sigma is a top notch teleconverter, the fit finish is top of the line.  Read Less