Stereomicroscopy is easy with our Philip Harris range of Stereo microscopes. The Philip Harris SFX-31 Stereo microscope is a simple educational laboratory 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. The internal NiMH rechargeable battery gives up to 8 hours use from a single charge. The time required for a full recharge is approximately 8 hours. Transmitted and Incident LED illumination of medium intensity. 

Stereo Microscopes are more suited to examining the surfaces of 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 (PP00052867)
• Microscope Maintenance Kit (B8R07243)

Technical Specifications:

• Total magnification: 20x - 40x selectable
• Eyepieces: Wide Field 10x/20mm with eyecups for protection
• Head: Binocular, 45° inclined. Diopter adjustment on both eyepiece tubes. Interpupillary distance adjustable between 53mm and 75 mm
• Stand: Fixed focus mechanism
• Nosepiece: Turret type
• Objectives: 2x - 4x selectable. Working distance 57mm
• 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
• Voltage: External power supply 110/240 V, 50/60 Hz. Max. power 3W
• Dimensions: (H)288mm x (W)183mm (D)205mm
• Weight: 1.8 kg
• Age Suitability: 11 - 16 Years (also suitable for use in primary schools)