I've had an incredibly positive experience with the sigma lens i bought.

I've had an incredibly positive experience with the sigma lens i bought.  Read Less

6 ex/dc/hsm lens (used with the d200).

6 ex/dc/hsm lens (used with the d200).  Read Less

The coatings and clarity of the filter appear to be first rate providing my prized 50 with protection that doesn't affect image quality.

The coatings and clarity of the filter appear to be first rate providing my prized 50 with protection that doesn't affect image quality.  Read Less

The sigma filter has resolved my issues with relfection.

The sigma filter has resolved my issues with relfection.  Read Less

I have the  sigma ex dg 67mm multi-coated uv filter , sigma dg 52mm multi-coated uv filter ...  Read More

I have the  sigma ex dg 67mm multi-coated uv filter , sigma dg 52mm multi-coated uv filter , sigma ex dg 55mm multi-coated uv filter , as well as a  sigma 62mm multi-coated uv filter  on my lenses.  Read Less

Far better than the sunpak sun 77 uv - ana filter i had been using and well worth the extra cost, in my opinion.

Far better than the sunpak sun 77 uv - ana filter i had been using and well worth the extra cost, in my opinion.  Read Less

They feature great glass, effective multi-coated uv protection, and high-quality build.

They feature great glass, effective multi-coated uv protection, and high-quality build.  Read Less