Haag-Streit BQ 900 Slit Lamp

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Haag-Streit BQ 900 Slit Lamp

Sophisticated microscopy – fascinating versatility. The BQ 900, due to its excellent optics, versatility and ease of operation, has become the standard for those requiring advanced slit lamp microscopy. A universal, modular system, offering simultaneous video and still photography through either professional or consumer level cameras. A range of optional accessories include a teaching scope, inclined eyepieces and, for retinal specialists, the unique stereo variator. As with all Haag-Streit slit lamps, a Goldmann tonometer – the gold standard in IOP measurement – may be added to the system.
The convergent stereo view of the BQ 900 offers a very large binocular field of view with high resolution and depth of focus. Eyepieces adjustable to all pupillary distances allow for a fatiguefree and relaxed examination, even during long examinations.

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Features

Beam splitter

The “key” to a wide range of accessories, the beam splitter diverts a portion of the light to secondary attachments such as the second observer tube, video, 35 mm or digital cameras. There are two ports which allow for simultaneous video/still photography or, alternatively, use of the second observer tube with either video or still cameras. The beam splitter may stay attached to the slit lamp as, by use of a simple lever, the full 100% light is sent back to the users eyepieces.

Inclined eyepiece adaptor

This simple but effective device allows the eyepieces to be inclined upwards by 20° from their traditional horizontal position, thereby reducing neck strain in allowing a more natural viewing position to the user.

Zoom objective

The magnification can be continuously changed from 6 up to 40X. Reference points are set at magnifications 10, 16 and 25X.

Second observer tube

For teaching and assistants.

Stereo variator

Uniquely with the BQ 900 an optional stereo variator reduces the 13° angle to 4.5° . Thus an enlarged binocular field of view is possible even with myopia or through small pupils. This also aids the observation, without additional lenses, of the peripheral fundus and vitreous. It improves fundus viewing for imaging applications.

Specifications

Illumination

Tungsten Yes

Halogen Optional

Tilt Yes

Max. Intensity (lux) 600,000

Magnification

6.3X Yes

10X (with std. eyepieces) Yes

16X (with std. eyepieces) Yes

25X (with std. eyepieces) Yes

40X (with std. eyepieces) Yes

Zoom (with std. eyepieces) No

Filters

Gray Yes

Red-free Yes

Blue Yes

Yellow Optional

Heat absorption Yes

Slit

Width (continuous) 0 to 8mm

Length (continuous) 1 to 8mm

Test mark fixation star Yes

Microscope

Stereo angle 13° Yes

Stereo angle 4.5° Optional

Imaging

Video connector Optional

Photo digital connector Optional

Photo 35mm connector Optional

Integrated flash (slit and background) No

100% lignt deflection to camera No

Specifications

Illumination
Tungsten	Yes
Halogen	Optional
Tilt	Yes
Max. Intensity (lux)	600,000

Magnification
6.3X	Yes
10X (with std. eyepieces)	Yes
16X (with std. eyepieces)	Yes
25X (with std. eyepieces)	Yes
40X (with std. eyepieces)	Yes
Zoom (with std. eyepieces)	No

Filters
Gray	Yes
Red-free	Yes
Blue	Yes
Yellow	Optional
Heat absorption	Yes

Slit
Width (continuous)	0 to 8mm
Length (continuous)	1 to 8mm
Test mark fixation star	Yes

Microscope
Stereo angle 13°	Yes
Stereo angle 4.5°	Optional

Imaging
Video connector	Optional
Photo digital connector	Optional
Photo 35mm connector	Optional
Integrated flash (slit and background)	No
100% lignt deflection to camera	No