Haag-Streit BQ 900 LED Slit Lamp
Thanks to its excellent optics, versatility and ease of operation, the Haag-Streit BQ 900 has become the standard for those requiring the most demanding slit lamp microscopy
The BQ 900 is the premier slit lamp for ophthalmology. This instrument is versatile and easy to use while boasting the best optics in the business, making it the most popular slit lamp in top ophthalmology practices, hospitals, and teaching and government institutions. It is based on a modular system that offers digital imaging (both still photography and video) and a wide range of accessories including teaching scopes, inclined eyepieces and, for retinal specialists, the unique stereo variator.
Available as unit or table model.
Optical Excellence – The quality of the optical system determines the results of whatever application a slit lamp is used for. The BQ 900 is equipped by default with a Galilean Microscope providing a magnification range from 6.3 × up to 40 × selectable in 5 fixed steps. The high light transmission and the optical excellence ensure a superb clinical view. The large diameter of the exit pupils allows fatigue-free examination even on long working days.
Optimum Illumination – The new LED illumination systems on our slit lamps deliver our sharpest, brightest and most homogeneous slit ever. The light spectrum was specially designed for Haag-Streit to meet the highest quality standards and to achieve results that are even superior to those delivered by tungsten light. This ensures optimal diagnostic details from the cornea to the retina.
Perfect Mechanics – Since its foundation more than 150 years ago, Haag-Streit has stood for highprecision mechanics. This experience, combined with outstanding Swiss engineering and the use of high grade materials, ensures perfect mechanics in the BQ 900, which can last for decades.
Beam splitter – The beam splitter diverts a portion of the light to secondary attachments such as the second observer tube, video or digital cameras. Beam Splitters are available in different versions. The beam splitter for cameras diverts 70% of the light to the secondary attachment, the one for co-observation under equal conditions diverts only 50% of the light. Video or digital cameras can be connected to the beam splitter with a range of C-mount adapters, which offer different focus length for variable sensor sizes. There are also two versions of second observer tubes available: One short version for co-observing in sitting and a long version for co-observing in upright position.
Stereo Variator – Unique to the BQ 900, the stereo variator reduces the angle of stereoscopic observation from 13° to 4.5°. This facilitates the stereoscopic examination of the fundus, peripheral parts of the retina and the vitreous, even under unfavourable conditions such as high myopia and small pupils. The reduction of the angle enlarges the stereoscopic field of view under the described conditions, maintaining depth information in the stereoscopic observation.
IM 900 Imaging Module – Equipped with an ultra-sensitive camera, the IM 900 produces images of exceptional quality even under difficult light conditions. Thanks to this sensitivity patient comfort is improved significantly as it is easily possible to record findings without excessively dazzling the patient. Like any professional camera, the IM 900 is equipped with depth of field control, which allows to adjust the camera ideally, regardless of the location of the pathology.
Fundus 300 Module – This innovative accessory offers all users of current Haag-Streit slit lamps access to instant documentation of the retina. The impressive simplicity of the Fundus Module 300 allows integration of non-mydriatic retina imaging as part of the regular slit lamp examination. This can improve practice workflow and save both clinical and patient time.
Observer Tube – Connects to the beam splitter to allow for secondary viewing from the slit lamp.
Yellow Barrier Filter – Provides additional contrast to fluorescein images. It can be mounted permanently on the slit lamp and easily inserted or removed as required.
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