Philip Harris SFX-91 LED Stereo Microscope 40x

The Philip Harris SFX-91 LED Stereo Microscope 40x is designed to make hands-on science investigations engaging and accessible for students. Ideal for classroom use in primary, secondary and college settings, it enables detailed examination of solid objects such as rocks and fossils, supporting a wide range of biology and general science activities.

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)

• Selectable magnification: 10x, 20x, 40x

• Binocular head with adjustable interpupillary distance (53–75mm) and diopter adjustment

• Touch-controlled incident and transmitted LED illumination with internal rechargeable NiMH battery (up to 8 hours use per charge)

• Robust fixed stand with carry handle and rack & pinion focussing

• Stage includes black/white and semi-transparent discs plus specimen clamps

• Dimensions: 288mm (H) x 183mm (W) x 205mm (D); Weight: 2kg

• Suitable for ages 11–16 and also for primary use