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Summary of Contents for KERN Optics OSF-4G
- 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 microscope KERN OSF-4G OSF 438, OSF 439 Version 1.0 01/2015 OSF-4G-BA-e-1510...
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Page 3: Table Of Contents
KERN OSF-4G Version 1.0 01/2015 User instructions Stereo 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 4: 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, only carry out these procedures when the power is disconnected. OSF-4G-BA-e-1510... -
Page 5: 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. OSF-4G-BA-e-1510... -
Page 6: 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. OSF-4G-BA-e-1510... -
Page 7: Nomenclature
2 Nomenclature OSF-4G-BA-e-1510... -
Page 8: Basic Data
WF 10x Ø 20 mm Ø 20 1x / 2x / 3x mechanical (transmitted light) 1W LED (reflected light); 0,35W LED OSF 439 Binocular WF 10x Ø 20 mm Ø 20 1x / 2x / 4x mechanical (transmitted light) OSF-4G-BA-e-1510... -
Page 9: Assembly
Additional optional attachments: The eye cups supplied with the microscopes can be fitted to the eyepieces. (see section 5.6) OSF-4G-BA-e-1510... - Page 10 Assembled stereo microscope OSF-4G-BA-e-1510...
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Page 11: Operation And Functionality
5.3 Adjusting the magnification As the KERN OSF-4G series covers stereo microscopes (without zoom), we will describe how to set the magnification using the integrated and rotating objective. For the devices in this series, you can select between three different magnification factors at any time. -
Page 12: Dioptre Adjustment And Focussing
On one hand, this function can help to make it easier to adjust the focus and on the other hand it can prevent the microscope head from slipping down unintentionally. In this way you can avoid possible damage which could occur if the objective lens and the object being observed should collide. OSF-4G-BA-e-1510... -
Page 13: 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) OSF-4G-BA-e-1510... -
Page 14: Lighting Control
The lighting units which are suitable for devices of the OSF-4G series, are goose neck lighting units (see figure). These are available as LED as well as halogen versions and also have an on/off switch or different controller. -
Page 15: Changing The Bulb
Stand inlay black-white / Ø 59,5 mm ● ● OZB-A4816 External For information on external lighting units, please see the Kern Optics main catalogue, from illumination page 68 and visit our website www.kern-sohn.com ● = Standard configuration ○ = Option OSF-4G-BA-e-1510... -
Page 16: 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 low while you are viewing the object Eyes get tired easily The dioptre adjustment is not correct The brightness adjustment is not correct OSF-4G-BA-e-1510... -
Page 17: 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. OSF-4G-BA-e-1510...
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