The stereo microscopes of the SZN series are instruments designed for laboratory and industry applications. Their optical and mechanical qualities place them at the top of their category and the price/quality ratio is excellent. The stereo microscopes share the same optical system consisting of binocular and trinocular heads with zoom objectives. The four models of the SZN series find their proper application wherever professional instruments are required. Several accessories provide ample choices of configurations and applications.
Heads
Binocular or trinocular, 360° rotating and 45° inclined.
Interpupillary distance
Adjustable between 55 and 75 mm. Dioptric compensation on both eyepiece tubes.
Eyepieces
EWF10x/22mm, high-point.
Working distance
110 mm.
Objectives
Parfocal achromatic zoom 0.67x …. 4.5x with continuously variable magnification (max. 45x in the standard configuration, can be increased to 225x by using additional accessories).
Specimen stage
Except overhanging models, the instruments are fitted with a white disc for contrast and specimen clamps. Models with transmitted illumination also fitted with frosted glass disc.
Focusing
By means of rack and pinion system, controlled by a pair of knobs.
Stands
The series has different stands for every requirement. Simple for vision without transmitted illumination; base for incident and transmitted illumination; overhanging stands (simple or hinged), that allow very large objects to be viewed and to be handled or worked.
| SZN Specifications | |
|---|---|
| Head | Binocular or Trinocular 360° rotating and 45° inclined. Adjustment ± 5 diopters on both eyepieces. Interpupillary adjustment 55-75 mm. |
| Eyepieces | Widefield eyepieces WF10x/22 with field number 22. |
| Objective | Parfocal achromatic objective 1x |
| Working distance | 110 mm |
| Zoom range | 0.67x – 4.5x (zoom factor: 6.71:1). |
| Maximum magnification | Standard configuration: 45x (can be increased to 225x). |
| Warranty | Ten (10) Years mechanical and optical parts. |
| ST-155 Specifications | |
|---|---|
| Illumination | White LED incident and transmitted illumination system, with independent intensity controls using knobs at both sides of the base. LED power 3W, comparable to an halogen bulb 30W. Color temperature: 6300K LED average life time approx. 50,000h. Voltage: 110/240Vac, 50/60Hz, 0.45 A; Fusibile: T2A 250V Max. power required: 7W |
| Focusing | By means of a rack and pinion controlled by a pair of knobs placed on both sides of the head holder. Tension of focusing can be adjusted. The head holder can slide along the fixed arm. |
| Dimensions | Base: 330 x 285 mm Fixed arm: height 305 mm |
| Warranty | Ten (10) Years mechanical and optical parts. Two (2) Years electrical. |
|
SZN Brochure |
SZN User's Manual |
ST-155 Technical Sheet |
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