Stemi 508 – Greenough Stereo Microscope
Greenough Stereo Microscope with 8:1 Zoom
Thanks to apochromatic optics you acquire high contrast images with color accuracy. With the 8:1 zoom you bring up smallest details. Stemi 508 offers an ergonomic viewing angle of 35° – stay relaxed even after hours of work.
| Overall | |||
| Type of Microscope | Stereo microscope, Greenough design | ||
| Design Principle | Two zoom systems, tilted by the stereo angle | ||
| Stereoscopic View | Threedimensional observation through eyepieces | ||
| Apochromatic Corrected Zoom and Front Optics | Image free of color fringes in complete magnification range | ||
| Optical Data Basic System (Eyepieces 10×, No Front Optics) | |||
| Magnification Range | 6.3× – 50× | ||
| Free Working Distance | 92 mm | ||
| Maximum Resolution | Test slide: 225 Lp/mm
Resolving power (Rayleigh criterion) g = 4.4 µm Smallest Object Structure g/2 = 2.2 µm |
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| Maximum Object Field Diameter | 36.8 mm | ||
| Optical Data with Interchangeable Optics (Eyepieces, Front Optics) | |||
| Accessible Magnification Range | 1.9× – 250× | ||
| Free Working Distances | 35 – 287 mm | ||
| Maximum Resolution | Test slide: 450 Lp/mm | Resolving power (Rayleigh criterion) g = 2.2 µm | Smallest Object Structure g/2 = 1.1 µm |
| Maximum Object Field Diameter | 122.7 mm | ||
| Microscope Bodies | Stemi 508, Stemi 508 doc and Stemi 508 trino microscope bodies (incl. eyepieces 10x/23 and dust protection glass) | ||
| Manual Zoom, Zoom Range | 8:1 (0.63×…5.0×) | ||
| Quality of Zoom Optics | Distortion free, excellent contrast, apochromatic corrected | ||
| Parfocality of Zoom Optics | Object remains focused while zooming | ||
| Ergonomic Viewing Angle | 35° | ||
| Adjustment of Interocular Distance | 55 – 75 mm | ||
| Zoom Click Stops | 10 Click Stop positions can be activated by choice: (End Stop 0.63×), 0.65x, 0.8×, 1×, 1.25×, 1.6×, 2×, 2.5×, 3.2×, 4×, 5× | ||
| Maximum Field Number | 23 mm | ||
| Documentation Features Stemi 508 doc | Photoport with 100 % switch between right eyepath and camera, incl. interchangeable 60N c-mount camera adapter 0,5× | ||
| Documentation Features Stemi 508 trino | Photoport with 50/50 % permanent split between right eyepath and camera, incl. interchangeable 60N c-mount camera adapter 0,5× | ||
| Interfaces to Adapt | |||
| Front Optics and Dust Protection Glass | M50 × 0.75 | ||
| Pol Analyzer (to Front Optics, Dust Prot. Glass) | M49 × 0.75 | ||
| Eyepieces | d = 30 mm | ||
| Stemi Mounts | d = 76 mm | ||
| Illuminators | d = 53 mm; Illuminators d = 66 mm via clamp ring d53/66 (optional) | ||
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