Manual phoropter BR-7 Shin-Nippon

Manual phoropter BR-7 Shin-Nippon
BR-7

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The precise function and smoother touch feeling Sphere power Range: +16.75 to -19.00 dioptres Step: 0.25 diopters Cylinder power Range: 0.00 to -6.00 diopters (0.00 to -8.00 diopters with additional lens of -2.00 diopters) Step: 0.25 diopters Cylinder axis 0 to 180° , 5° steps Cross cylinder ±25 diopters Rotary prisms 0? to 20? , 1? steps
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