Stereomicroscope series
Parameters
1. Magnification: 8x ~ 140x (expandable to 2.96x ~ 420x).
2. Continuous zoom objective system: zoom ratio is not less than 8.8:1.
3. Zoom range of continuous zoom lens: not less than 0.8x ~ 7x.
4. Working distance: ≥ 108mm when the magnification of zoom lens is 8x ~ 70X; it is ≥ 35mm when the objective lens is increased by 2 times.
5. Field of view range: under 0.8x-7x zoom lens, the 10 times high eye point super wide angle eyepiece is not narrower than φ 28.75mm ~ φ 3.3mm; when the 10 times high eye point super wide angle eyepiece is increased by 2 times, it is not narrower than φ 14.4mm ~ φ 1.6mm.
6. Eyepiece: 10 times high eye point super wide angle eyepiece, field of view ≥ 23mm;
7. Binocular vision adjustment ± 6 diopter, equipped with hood.
8. Binocular head: the inclination angle of the lens barrel is less than or equal to 35 ° and the head of the main engine rotates 360 ° C.
9. Pupil distance adjustment range: no less than 52mm-76mm.
10. Microphotography interface: 0.5 times, focusing, synchronous focusing, image center displacement ≤ 0.05mm.
11. Focusing column and focusing drive: column height ≥ 271.5mm; focusing range ≥ 50mm.
12. Base: the distance from the center of column to the support is not less than 140mm; the diameter of the central working table is not less than Φ 95mm, and the central dimension is greater than or equal to 140mm. Built in falling light source and transmission light source system.
13. Special universal sample fixture for criminal investigation: it can hold warhead, cartridge case, wire head, cable head, etc., and can be moved in any direction and adjusted in multiple angles. The base is 95mm in diameter and can be fixed on the stage. It can fix various sizes of cartridge case and wire; it can fix the cartridge case in vertical or parallel direction, and position the angle.
14. Lighting source: LED falling light illumination: 3W, brightness adjustable. Led transmission light illumination: 3W, brightness adjustable, ring top light source, 3W, brightness adjustable.
15. 630 megapixel color camera system: cmos-bsi sensor size: 1 / 1.8 "(7.37x4.29); double layer noise reduction technology; dynamic range SN ratio: 425mv with 1 / 30s; 0.15mv with 1 / 30s resolution: 30 @ 3072x2048; 38 @The system includes: 1536x1024; ufthp image signal processing technology; supporting software can be ROI one key automatic white balance; automatic exposure, multi-functional image processing system, measurement, marking, text input, etc.; USB3.0 data interface, suitable for Microsoft, windows, XP / Vista / 7 / 8 (32 & 64 bits); suitable for taking photos of microscopic images in bright or weak light field; the whole machine has mildew proof function.
Configuration
1. Each set of microscope must be equipped with:
1) Continuous zoom body: a set of 0.8x-7x (zoom ratio 8.8:1).
2) One double objective.
3) A pair of ultra wide angle high eye point eyepiece swh10x / Φ 23mm, a pair of eyepiece covers.
4) A set of focusing driver.
5) A set of base and focusing column (integrated LED falling light and transmission light source).
6) A set of 0.5-fold CCD interface with adjustable focus.
7) A set of binocular camera barrel.
8) A set of universal sample fixture for criminal investigation.
9) 6.3 megapixel micro camera system, one USB3.0 interface (including supporting image acquisition software).
10) Ring top light source, 3W, brightness adjustable.
2. Spare parts: the following spare parts shall be provided. In case of failure, the teacher can replace them in time to ensure the normal operation of experimental teaching
1) Two pairs of swh10x / Φ 23mm eyepieces and two pairs of eyepiece covers are provided.
2) 5 standby lamps for falling beam, transmission and annular top light source.
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