![Amazon.com : 58MM 0.43x Altura Photo Professional HD Wide Angle Lens (w/Macro Portion) for Canon EOS 70D 77D 80D 90D Rebel T8i T7 T7i T6i T6s T6 SL2 SL3 DSLR Cameras : Amazon.com : 58MM 0.43x Altura Photo Professional HD Wide Angle Lens (w/Macro Portion) for Canon EOS 70D 77D 80D 90D Rebel T8i T7 T7i T6i T6s T6 SL2 SL3 DSLR Cameras :](https://m.media-amazon.com/images/I/71sTaBxonZL.jpg)
Amazon.com : 58MM 0.43x Altura Photo Professional HD Wide Angle Lens (w/Macro Portion) for Canon EOS 70D 77D 80D 90D Rebel T8i T7 T7i T6i T6s T6 SL2 SL3 DSLR Cameras :
Volk® Digital Wide Field° Digital series slit lamp lens, red ring, 103°/124° FOV, 0.72x image mag, 1.39x laser spot, 4.0mm-5.0mm working distance, ideal for pan retinal examination | Ambler Surgical
![Volk Optical Inc on Twitter: "The Digital Wide Field lens has a 40% wider field of view compared to a 90D, handy small pupil capability, all while maintaining the magnification of a Volk Optical Inc on Twitter: "The Digital Wide Field lens has a 40% wider field of view compared to a 90D, handy small pupil capability, all while maintaining the magnification of a](https://pbs.twimg.com/media/EoUrL6YW8AEJbLX.jpg:large)