Trincocular Simul-Focal Stereo Zoom Microscope w/150W Halogen Ring Light and Optional Digital Camera on Double Arm Boom Stand

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Trincocular Simul-Focal Stereo Zoom Microscope w/150W Halogen Ring Light and Optional Digital Camera on Double Arm Boom Stand


The SM-4TP is a heavy-duty, highly-flexible microscope designed for biological and industrial applications. This model is especially popular in the QC, repair and engraving industries thanks to its ease-of-use and reliability. With its wide zoom range and double-arm boom-stand, this model will become an indispensable instrument in any workshop or lab. The trinocular photo-port is simul-focal, so it can be used simultaneously with both eyepieces.


The stereo optics provide clear, sharp images with excellent focus-depth and a large working-distance. With 0.7X-4.5X zoom objectives, moving through the magnification range is as easy as turning a knob. 10X wide-field eyepieces provide an ample magnification range from 7X to 45X, with high-eyepoint optics to accommodate glasses or goggles.

Ocular Adjustment

Dual ocular diopters can be adjusted to maintain consistent focus, greatly improving productivity. Rotating interpupillary adjusters simplify the process of aligning the eyepieces for each user.

Simul-focal Trinocular Port

The simul-focal optics in this microscope allow the trinocular port to be used simultaneously with both eyepieces. This means a camera can stream live images from the microscope while you continue to work with full stereoscopic vision. This is accomplished by sharing the left objective lens with the left ocular and the photo-port. This microscope uses our CX series trinocular port, so it can be easily replaced with optional C-mount ports to match specific cameras.

Double-arm Boom-Stand

The multi-pivoting, double-arm stand provides a stable, flexible support system, ideal for hands-on work. Use of a drop-down column allows the head to be positioned at virtually any angle. Ball-bearings provide smooth movement of the lateral arms, which can easily pivot the microscope out of the way when it is not needed. The heavy, steel base ensures the stability of the microscope, even when laden with attachments.

Additional Items

This package includes a powerful 150W illuminator with a fiber-optic ring-light. The incandescent light-source projects ultra-bright, full-spectrum light which is channeled through the 35” fiber-optic light-guide which provides the smoothest ring of encompassing illumination. The flexible, heavy-duty metal-sheathed guide will hold up to heavy use in your workshop, factory, or lab without worry of crimping or breaking. The light-source is equipped with an active cooling system and an auto-shutoff circuit to avoid overheating in strenuous environments.


Microscope Head
Head Type Simul-focal trinocular, 45° incline, 360° rotatable
Optical System Greenough stereoscopic
Interpupillary Adjustment Compensation-free gemel, 54-76mm
Ocular-port Diameter 30mm
Dioptric Adjustment Both oculars, ±5dp
Eyepieces 10X
Photo Port height-adjustable 23mm tube, SM series, simul-focal
Objective Lenses 0.7X-4.5X zoom
Objective Numerical Aperture 0.065 @ 4.5X0.02 @ 0.7X
Objective Resolution 195 lp/mm @ 4.5X60 lp/mm @ 0.7X
Native Field-of-View 4.4mm-28.6mm
Native Working Distance 100mm
Auxiliary Lens Mount 48mm thread
Auxiliary (Barlow) Lenses Included none included
Stand Type Double-arm boom-stand with ball-bearing movement, cast-steel base
Stand Dimensions 20″ double-arm (overall length: 30″), 17″ high pillar, 10-1/4″x8-1/4″x2″
Focusing-block Focus Range 50mm

Packing List:

  • One trinocular stereo microscope head
  • One photo port attachment
  • 10X eyepiece(s)
  • One pair eye-guards
  • One double-arm boom-stand with focusing rack
  • One halogen light source
  • One power cord
  • Two spare fuses
  • One fiber-optic ring-light attachment
  • One ring-light mounting adapter
  • Additional information


    7X-45X, 3.5X-45X, 7X-90X, 7X-135X, 3.5X-90X, 3.5X-180X

    Camera Type

    none selected, USB 2.0, USB 3.0

    Camera Pixels

    none selected

    Trincocular Simul-Focal Stereo Zoom Microscope w/150W Halogen Ring Light and Optional Digital Camera on Double Arm Boom Stand

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