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.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. 

The SFX-91 also has a handle for ease of transportation and a touch controlled adjustable incident and transmitted illumination. 

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 (PP00052867)
• 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 (also suitable for use in primary schools)