3.5V Standard Ophthalmoscope Head•Uses halogen light for true tissue colour and consistent, long-lasting illumination. Versatile and reliable at an economical price.•Halogen light for true tissue colour and consistent, long-lasting illumination•28 focusing lenses with a range of -25 to +40 diopters•Rubber brow rest prevents the scratching of eyeglasses•Variable illumination strength via the rheostat dial3.5 V Diagnostic Otoscope•The Halogen HPX™ lamp provides light output for true tissue colour and consistent, long-lasting performance•Fibre optics project cool light to the distal tip with no reflections or obstructions for superior views of the tympanic membrane•The wide-angle viewing lens allows for instrumentation under magnification•A sealed system for pneumatic otoscopy and accurate diagnosis of otitis media•Variable illumination strength via the rheostat dial6 apertures:•Macular - allows quick entry into small, undilated pupils.•Intermediate - provides excellent view of fundus through an undilated pupil.•Wide Angle - general examination of the eye through dilated pupil.•Fixation-Cross - graduated cross-hairs for measuring eccentric fixation or locating lesions.•Slit - used to determine levels of lesions and tumors.•Red-Free - filters out red light for easy identification of veins, arteries and nerve fibers.Features•Supplied with a C-Cell battery handle•10 year guarantee (excluding bulbs and batteries)
