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Objective 20x /0,4 - KERN OBB-A1291
The KERN OBB-A1291 is an infinity plan objective offering 20x magnification at a numerical aperture of 0,4. The working distance is 8,35 mm, and the optics are calculated for specimens without a cover glass.
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Description
For routine observation in the mid magnification range, the KERN OBB-A1291 delivers 20x magnification at a numerical aperture of 0,4. Its 8,35 mm working distance leaves room above the specimen, as the optics are calculated for use without a cover glass.
Benefits
- 20x magnification: numerical aperture 0,4 for matching light gathering.
- Flat field: infinity plan optics keep the image even to the edge.
- 8,35 mm working distance: clearance for thicker or uneven samples.
- Cover-glass-free: view uncovered specimens directly.
- Spring-loaded front lens: protects optics and specimen on contact.
Compliance and origin
EAN 4045761168268. Customs tariff number 90119000. Country of origin: China.
Technical data
| Magnification | 20x |
|---|---|
| Numerical aperture | 0,4 |
| Working distance | 8,35 mm (spring-loaded) |
| Cover glass | none |
| Optics | infinity plan |
| Net weight | 0,30 kg |
| Weight | 0.6 kg |
| Manufacturer | Kern |
| EAN | 4045761168268 |
| HS-Code | 90119000 |
| GPSR manufacturer information | KERN & SOHN GmbH, Ziegelei 1, DE-72336 Balingen-Frommern, www.kern-sohn.com |
| Condition of article | New |
| Article authenticity | Original product |
| Country of Manufacture | China |
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