The Optika B-157 Binocular microscope is an advanced instrument, capable of up to 600x magnification. It features a binocular head intended for easy viewing for long term, heavy use where comfort is a consideration. The removable WF10X/18mm eyepiece, which is secured by a small screw, can be removed to accommodate an eyepiece micrometer or eyepiece camera when necessary. Coaxial coarse and fine focusing mechanism. Illumination is by a 1W LED with light intensity control. Accessories included:. Power supply. Dust cover. Instruction manual. Accessories available separately:. Spare Power lead (B8R06948). Eyepiece WiFi Cameras (PP00050387 - USB, PP00050388 - Wireless). Eyepiece Micrometer M004 (B8R06422). 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: 40x, 100x, 400x, 600x. Eyepieces: Wide field WF10x/18mm, secured with a screw. Head: Binocular, 360° rotating, with 30° inclined eyepiece tube. Diopter adjustment on left eyepiece Interpupillary adjustment 48-75mm. Nosepiece: Quadruple revolving nosepiece, rotation on ball bearings. Objectives: Anti-fungal treated Achromatic (DIN) objectives with mechanical tube length 160mm. 4x, A.N. 0.10, W.D. 18mm. 10x, A.N. 0.25, W.D. 7mm. 40x, A.N. 0.65, W.D. 0.53mm. 60x, A.N. 0.85, W.D. 0.45mm. Stage: Double layer with mechanical sliding stage with specimen holder, 125 x 116mm. X-Y movement range 76 x 30mm. Vernier scale on the two axes, accuracy 0.1mm. Focussing: Coaxial coarse and fine focusing mechanism (graduated 0.002mm) with upper stop. Adjustable tension of coarse focussing knob. Condenser: Abbe condenser, N.A. 1.2 pre-centred. Illumination: 1W LED with adjustable intensity. LED Details: 1W, 6300K colour temperature, average life time approx. 50000h. Observation Mode: Brightfield. Voltage: External power supply 100/240V, 50/60Hz, output 5V D.C. 500mA. Dimensions: (H)350mm x (W)170mm x (D)210mm. Weight: 4kg. Age Suitability: 16-18 Years.
