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Search results for 'VKSI Collection of 25 Rocks'
* Streak Retinoscope
* Keeler Type
* Horizontal : (Adduction + 50°, Abduction -40°).
* Vertical : (Hyper 30°, Hypo 30°)
* Torsional : (Incyclo 20°, Excyclo 20°)
* 15 x Eyepieces.
* Circular LED Light System.
* One Position Instrument. Measure Both Meridians Without Changing Optical System.
* 32 Pairs Each cx and cc Spherical.
* 20.00 Pairs Each cx and cc Cylinder.
* Brilliant LED Illumination
* Stereo Optical System
* Type : Ocular Type External Reading System
* Vertex Power Range : ± 25D Step : 0.25D Step Up to± 10D 0.50D Step Beyond ± 10D
* Magnification : 3.5x
* Visual Field Diameter : 30mm
* Working Distance : 300mm
* Operating Light
* This is a Compact Light Weight and Powerful Source.
Beam Splitter with C Mount
* Eye Pieces : Wide Field 12.5X.
* Objective : 1x, 2.5x, 5x.
* Total Magnification : 12.5x, 30x, 60x.