-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....

-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....

-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....

-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....

-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....

-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....

-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....

-Quality Optics: 400mm(f/5.7) focal length and 70mm aperture, fully coated optics glass lens with hi.....

.....

-【High Quality Optics】600mm(f/6.7) focal length and 90mm aperture, fully coated optics glass lens wi.....