Product works properly with my nikon d300s camera and nikon 18-200 lens.

Product works properly with my nikon d300s camera and nikon 18-200 lens.  Read Less

Like i mentioned earlier, the image quality suffers a little with the teleconverter, but i feel it's well worth the cost to get...  Read More

Like i mentioned earlier, the image quality suffers a little with the teleconverter, but i feel it's well worth the cost to get double the mm from your lens.  Read Less

I was able to get one of them back up, but lost autofocus ability, so i returned the product.

I was able to get one of them back up, but lost autofocus ability, so i returned the product.  Read Less

No warranty information from tamron came with this product.

No warranty information from tamron came with this product.  Read Less

The cost is about the same for the older version and about $1200 cheaper than the new 80-400 lens so there is real money involved.

The cost is about the same for the older version and about $1200 cheaper than the new 80-400 lens so there is real money involved.  Read Less

The images will be a little bit softer, but you will still get more detail then just cropping an image without the teleconverter.

The images will be a little bit softer, but you will still get more detail then just cropping an image without the teleconverter.  Read Less

Note my wife purchased for her nikon d7000 and nikon f2.

Note my wife purchased for her nikon d7000 and nikon f2.  Read Less

I use this with my nikon d600 and 80-200mm f/2.

I use this with my nikon d600 and 80-200mm f/2.  Read Less

Only downside is loss in f stop, but that is a known quantity with a teleconverter.

Only downside is loss in f stop, but that is a known quantity with a teleconverter.  Read Less

I tried it on my t2i, with lens ef-75-300mm f/4-5.

I tried it on my t2i, with lens ef-75-300mm f/4-5.  Read Less