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Summary of Contents for KERN Optics OZL-47
- Page 1 KERN & Sohn GmbH Ziegelei 1 Tel: +49-[0]7433- 9933-0 D-72336 Balingen Fax: +49-[0]7433-9933-149 E-mail: info@kern-sohn.com Internet: www.kern-sohn.com User instructions Stereo zoom microscope KERN OZL-47 OZL 473, OZL 474 Version 1.0 01/2023 OZL-47-BA-e-2310...
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Page 2: Table Of Contents
KERN OZL-47 Version 1.0 01/2023 User instructions Stereo zoom microscope Table of contents Before use ..................3 General notes ..........................3 Notes on the electrical system ....................3 Storage ............................4 Maintenance and cleaning ....................... 5 Nomenclature ................6 Basic data ..................7 Assembly .................. -
Page 3: Before Use
If you are using an extension cable, then the mains cable you use must be earthed. When carrying out any procedures whereby you come into contact with the electrical system of the device, such as, for example, changing the bulb or fuse, only carry out these procedures when the power is disconnected. OZL-47-BA-e-2310... -
Page 4: Storage
In most cases, if dust and dirt gets inside the optical unit of a microscope this can cause irreversible errors or damage. The best way to store accessories which consist of optical elements, such as, for example, eyepieces and objectives, is in a dry box with desiccant. OZL-47-BA-e-2310... -
Page 5: Maintenance And Cleaning
• Special cleaner for optical lenses • Special optical cleaning cloths • Bellows • Brush When handled correctly and checked regularly, the microscope should give many years of efficient service. Should repairs still be necessary, please contact your KERN dealer or our Technical Department. OZL-47-BA-e-2310... -
Page 6: Nomenclature
2 Nomenclature Using the OZL 473 as an example (Binocular) OZL-47-BA-e-2310... -
Page 7: Basic Data
Zoom OZL 473 Binocular HWF 10x Ø 20 mm Ø 28,6 – 4,4 0,7x – 4,5x Pillar 3W LED (Incident) OZL 474 Trinocular HWF 10x Ø 20 mm Ø 28,6 – 4,4 0,7x – 4,5x Pillar 3W LED (Incident) OZL-47-BA-e-2310... -
Page 8: Assembly
• The eye cups supplied with the microscopes can be fitted to the eyepieces. (see section 5.6) • You can fit a C-mount adapter to the appropriate connection point on the top of the microscope head for trinocular devices (OZL 474). This enables you to fit and use digital cameras (see section 5.9). OZL-47-BA-e-2310... -
Page 9: Operation And Functionality
As soon as the lefthand and righthand visual fields exactly overlap each other, this is the correct interpupillary distance. 5.3 Adjusting the magnification As the KERN OZL-47 series are stereo zoom microscopes, then you adjust the magnification using the two zoom adjustment wheels on the lefthand and righthand side of the microscope head. -
Page 10: Dioptre Adjustment And Focussing
11. Then look through the left eyepiece with the left eye and use the lefthand dioptre adjustment ring to also adjust the optimum focus of the object. 12. In this way, the object being observed will be in focus at any zoom setting. OZL-47-BA-e-2310... -
Page 11: Adjusting The Stand
The way to fix the position is to use an adjusting screw, which is located directly on the back of the holder. OZL-47-BA-e-2310... -
Page 12: Using Eye Cups / High Eye Point Eyepieces
In order to maintain hygiene, we would therefore recommend that you clean the eye cups regularly (e.g. with a damp cloth). Eye cups High Eye Point eyepiece (identified by the glasses symbol) OZL-47-BA-e-2310... -
Page 13: Lighting Control
Useful external illumination units to use with the OZL-47 series microscopes are: • Ring illumination units (see figure below), usually LED. These lighting units require an extra power connection and, depending on the model, may also have an on/off switch and various lighting controls. -
Page 14: Fitting And Adjusting A Camera (Ozl 474)
5.9 Fitting and adjusting a camera (OZL 474) You can connect special microscope cameras to trinocular devices in the OZL-47 series, so that you can digitally record images or sequences of objects being observed. The connection for this is on the top side of the microscope head. -
Page 15: Using Additional Accessories
5.11 Changing the bulb The devices in the OZL-47 range with lighting are all fitted with LED bulbs. Due to the long service life of an LED lighting system, for these microscopes it will not be necessary to simply change a bulb. -
Page 16: Optical Data
6 Optical data 7 Features OZL-47-BA-e-2310... -
Page 17: Trouble Shooting
The torque of the focus wheels is set too high The microscope head slips down The torque of the focus wheels is set too while you are viewing the object Eyes get tired easily The dioptre adjustment is not correct The brightness adjustment is not correct OZL-47-BA-e-2310... -
Page 18: Service
The descriptions and illustrations in this user manual are subject to change without notice. Further developments on the device may lead to these changes. All language versions contain a non-binding translation. The original German document is the binding version. OZL-47-BA-e-2310...
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