Greenough optical system offers a 7:1 zoom ratio and provides exceptional image quality and excellent depth of field. The binocular or trinocular stereo zoom body includes the following:
- Body: Choose from a binocular or trinocular body when ordering. Binocular head has a rugged all-metal body design and is rotatable 360°. The trinocular version body additionally has a beam splitter that directs light to the right eyetube and trinocular port simultaneously.
- Objective Zoom Range: 1.0x - 7.0x.
- Magnification: 10x - 70x (when using 10x eyepieces - MA502). Note: Eyepieces are not included but are available for purchase separately. View the magnification chart below to determine which eyepieces and auxiliary lens you may need.
- Field of View: 22mm at 10x, 3.1mm at 70x.
- Working Distance: 90mm.
- Eyetube Inclination: 45°.
- Interpupillary Distance Adjustment: 54mm - 75mm.
- Dioptric Adjustment: Both eyetubes, ± 5 diopters.
- Extended Magnification Range: 3x - 315x.
- Extended Working Distance: 48mm - 230mm (with optional auxiliary lens).
Meiji EMZ-13B, EMZ-13TR
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Meiji Stereo EMZ-13 Microscope Magnification Chart
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Aux Lens
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Working Dist. (mm)
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SWF10x Eyepieces
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SWF12.5x Eyepieces
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SWF15x Eyepieces
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SWF20x Eyepieces
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SWF30x Eyepieces
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None
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90
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10x- 70x
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22- 3.1
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12.5x- 87.5x
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17.6- 2.5
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15x- 105x
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14.7- 2.1
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20x- 140x
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11- 1.6
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30x- 210x
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7.3- 1.1
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0.3x
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230
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3x- 21x
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73.3-10.5
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3.75x- 26.25x
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58.7-8.34
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48.9-7
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6x- 42x
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36.7-5.2
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9x- 63x
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24.4-3.5
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0.44x
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167
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4.4x- 30.8x
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50- 7.1
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3.85x- 24.75x
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40- 5.7
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6.6x- 46.2x
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33.3- 4.8
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8.8x- 61.6x
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25-3.6
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13.2x- 92.4x
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16.7- 2.4
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0.5x
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139
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5x- 35x
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44-6.3
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4.37x- 28.12x
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35.2- 5
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7.5x- 52.5x
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29.3- 4.2
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10x- 70x
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22-3.1
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15x- 105x
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14.7-2.1
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0.75x
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92
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7.5x- 52.5x
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29.3- 4.2
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6.56x- 42.18x
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29.3-3.4
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11.3x- 78.75x
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19.6- 2.8
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15x- 105x
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14.7- 2.1
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22.5x- 157.5x
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9.8- 1.4
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1.5x
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48
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15x- 105x
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14.7- 2.1
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13.12x- 84.37x
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14.7- 1.7
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22.5x- 157.5x
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9.8- 1.4
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30x- 210x
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7.3- 1.05
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45x- 315x
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4.9- 0.7
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