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New illumination system helps stereomicroscope tackle biomedical tasks

Carl Zeiss MicroImaging : 02 May, 2008  (New Product)
Carl Zeiss has enhanced the performance of the company’s Stemi DV4 stereomicroscope with a new illumination system.
The Stemi DV4 on the C LED stand features integrated LED illumination units for reflected light, transmitted light and mixed light. The LEDs provide excellent light intensity with low power consumption and a long service life of the illumination system (approx. 25,000 operating hours). Thanks to white light illumination in daylight quality, the objects are visualised in high contrast and natural colours. To protect the specimen from exposure to heat, the LED light does not contain infrared wavelengths.

The benefits of the Stemi DV4 on the C LED stand are important when 3D observation of small objects is required in high quality and at higher magnifications such as routine workstations in biomedical laboratories.

Compared to the previous halogen illumination system, the C LED stand offers brighter and more homogeneous illumination of the object field with considerably lower costs as power consumption has been halved and the long service life of the LED systems makes bulb replacement unnecessary.

The C LED stand provides the well-known, time-tested benefits of the Stemi DV4, such as 4:1 zoom range, standard magnification range of 8x to 32x and a 92mm working distance.

The Stemi DV4 offers the best optical quality in this class of stereomicroscopes thanks to mechanically corrected zoom optics, parfocal and distortion-free imaging up to the edge of the object field and eyepieces that can be adjusted on both sides. Attachment systems enable magnifications down to 5x or up to 64x and enhanced resolution.

Additional benefits of the Stemi DV4 on the C LED stand include the out-of-the-box design featuring illumination in reflected/ transmitted/ mixed light and the possibility of flexibly upgrading the system with various accessories such as transmitted-light darkfield equipment or an eyepiece measuring device.

The Stemi DV4 stereomicroscope on the C LED stand permits the use of digital photo or video cameras via an eyepiece adapter. AxioVision software from Carl Zeiss is also available for image capture and evaluation.
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