The black matte Barska 30mm Tactical-Style Riflescope Rings with a 1" insert, a built in Picatinny rail, and a Picatinny base are constructed of aluminum to withstand brutal recoil and provide rock-solid gripping power.

Fits Tactical-Style Base    Built-In Picatinny Rail    Height: 1.57"    Aluminum Construction    Matte Black Finish    Pair of Two Rings

Related Questions and Answers

Q: 1. Is this lens compatible with a full frame camera body like the Canon EOS 6D?

A: No it is not in this instance. Sigma brand DC series lenses are the same as the Canon brand EF-S series lenses, in that they are designed and optimized to only work on the Canon APS-C series cameras. It is not compatible with a full-frame such as the 6D.

Q: 2. Full frame

A: The Sigma 30mm f/1.4 DC HSM Art Lens for Canon EF is for crop frame cameras. It will fit a full frame camera but you might see vignetting on the edges unless you set the camera to crop mode.

Q: 3. WHAT IS THE YEAR OF INTRODUCTION OF THIS LENS?

A: The Sigma 30mm f/1.4 DC HSM Art Lens began shipping in the Spring of 2013.

Q: 4. Will this lens work with Sony A7 series cameras?

A: Unfortunately no, the Sigma 30mm f/1.4 DC HSM Art Lens for Sony is made for use with A-Mount Sony SLR cameras. It will not be compatible with E-Mount Mirrorless A7 series.

Q: 5. Will this lens fit on the Canon 77D?

A: Yes.

Q: 6. will this lens work for the nikon d3200 camera?

A: Thank you for your interest in Sigma products. The 30mm f/1.4 DC HSM Art Lens for Nikon is compatible with the Nikon D3200.

Q: 7. More specifically, will it work with my 7D Mark II?

A: While I do not see the beginning of your inquiry (all I see above is More specifically, will it work with my 7D Mark II? ), if you are referring to the Olympus M.Zuiko Digital ED 30mm f/3.5 Macro Lens (B&H # OL3035ED) listed above, then no, this lens is not compatible for use on the Canon EOS 7D Mark II DSLR camera, nor is there a lens adapter to connect the lens to the Canon 7D Mark II DSLR camera.

Q: 8. Is the CA as bad as is claimed? I am considering purchasing this lens for a trip to NYC at some point soon.

A: I used the CA widely in Portugal, Spain and Paris. The lens produced superb images and an absolute essential in low light conditions. For these latter conditions, I found great and perfectly acceptable for the dollars spent.

Q: 9. Compatible on a Sony FS5 (with EF to E-Mount adapter)?

A: Yes, this would be compatible for the FS5 with an EF lens to E mount body adapter.

Q: 10. Where does it made?

A: The lens itself has no markings indicating country of origin. The box says Made in Vietnam in four different languages. I presume this statement refers to the contents of the box.