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Burton BR8500 Manual Phoropter

Burton BR8500 Manual Phoropter

Brand:   Burton
Condition:   New
The Burton BR8500 is designed for a relaxed refraction process.
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The Burton BR8500 is designed for a relaxed refraction process. 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. Precision excellence in refraction Cross cylinder and rotary prism Employs a state-of-the-art convergence system Greater testing range with the use of auxiliary lenses Free spinning bearings provide greater precision and durability Visual functions area available (binocular vision, stereopsis)

Tech Specs

Spherical Lens: -19.00DS to +16.75DS in 0.25D steps (0.12D steps with auxiliary lens) Cylindrical Lens: 0 to -6.00D in 0.25 D steps (0 to -8.00D and in 0.12D steps with auxiliary lens Axis of Cylindrical Lens: 5° steps Cross Cylindrical Lens: ±0.25D Rotary Prism: Range of measurement 0, -20Δ, Step 1Δ Pupil Distance: Range 50mm ~ 75mm, Step 1mm Aggregated Adjustment: 00, 380mm Adjustment of Forehead Rest: 16mm Vertex Distance: 13.75mm Overall Dimensions: 335mm (L), 320mm (W), 90mm (H) Weight: 5kg / 11 lb.