Burton BR8500 Refractor

Outstanding features:
Attractive proven design
Precision excellence in refraction
Cross cylinder and rotary prism wide field of view
Employs a unique mechanism in the convergence system
Greater testing range with the use of auxiliary lenses
Oil Free bearings provide greater precision and durability
Visual functions area available, such as binocular vision, stereopsis, aniseiconia ext
High-grade coating performed on all lens surfaces

The BR8500 manual refractor provides precision excellence in refractive setting.
Spherical power ranges from -19.00D to +16.75D in 0.25D steps (-29.00DS to +26.75DS and ±0.12D steps with auxiliary lens).
Cylindrical power ranges from 0 to -6.00D in 0.25D steps (0 to -8.00D with auxiliary lens).
All the lenses are coated in high-grade plated film to eliminate any glare or ghost images.