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Type : Occular Type External Reading System
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Vertex Power Range : ±25D Step : 0.25D step
upto ±10D 0.50 D step beyond ±10D |
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Cylindrical Axis Scale : 0 to 180° (1° Step)
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Prismatic Power Range : 5 in the viewfield
(1 step) |
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Target : Pinshole Corona
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Eye Piece Focussing : +3D to -5D
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