250FL STEREO-ZOOM MICROSCOPE SYSTEM WITH BOOM STAND AND FLUORESCENT RING LIGHT; FEATURES A BINOCULAR STEREO-ZOOM MICROSCOPE WITH 10X EYEPIECES, ZOOM RANGE OF 6.5X TO 45X, BOOM STAND AND A FLUORESCENT RING LIGHT; HIGH QUALITY ACHROMATIC LENSES; ANTI-REFLECTIVE COATINGS FOR SUPERIOR VISUAL CLARITY; VERSATILE BOOM STAND FEATURES UNIQUE HORIZONTAL RACK AND PINION FINE ADJUSTMENT FOR THE FINAL 2" EXTENSION, IN ADDITION TO THE VERTICAL RACK AND PINION FINE ADJUSTMENT ON THE FOCUS MOUNT; ROTATES 360º IN THE FOCUS MOUNT AND MAY BE ANGLED TO 45º PERMITTING ADDITIONAL VIEWING AND INSPECTION ANGLES; FLEXIBILITY OF THE SYSTEM CAN ELIMINATE NECK CRANING, REDUCE OPERATOR FATIGUE AND ENCOURAGE CORRECT POSTURE