Stereomicroscopy is easy with our Philip Harris range of Stereo microscopes. The Philip Harris SFX-91 Stereo microscope is a simple instrument that will allow the student to be completely in control and have fun investigating the microscopic world. A highly reliable instrument with solid construction. Internal NiMH rechargeable battery. Up to 8 hours use from a single charge. LED medium intensity. The SFX-91 also has a handle for ease of transportation and a touch controlled adjustable incident and transmitted illumination. The time required for a full recharge is approximately 8 hours. Stereo Microscopes are more suited to examining solid objects, such as rock and fossil samples as opposed to prepared microscope slides. Accessories included:. Power supply. Instruction manual. Dust cover. Accessories available to purchase separately:. Eyepiece WiFi Cameras (PP00050387 - USB, PP00050388 - Wireless). Eyepiece Micrometer ST005 (B8R06423). Stage Micrometer (B8A76119). Alcohol-free Antiseptic Wipes - for cleaning eyepieces between use (B8R08715). Lens Cleaning Tissue (B8R07090). Microscope Maintenance Kit (B8R07243). Technical Specifications:. Total magnification: 10 x 20x 40x selectable. Eyepieces: Wide Field 10x/20mm. Head: Binocular, 45° inclined. Diopter adjustment on both eyepiece tubes. Interpupillary distance adjustable between 53 and 75 mm. Stand: Fixed with focus mechanism, with handle. Objectives: 1x 2x 4x selectable. Working distance 60mm. Stage: Black/white disc for contrast, and semi-transparent plastic disc for transmitted light with specimen clamps. Focussing: Rack and pinion mechanism controlled by a pair of knobs placed on both sides of the microscope. Illumination: Double adjustable illuminator for incident and transmitted light fitted with two high-efficiency 1 W LED light sources with internal rechargeable battery. Touch brightness control. Voltage: External power supply 110/240 V, 50/60 Hz. Max. power 3W. Dimensions: (H)288mm x (W)183mm x (D)205mm. Weight: 2.0 kg. Age Suitability: 11 - 16 Years.
