The SM-3T 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 single-arm boom-stand, this model will become an indispensable instrument in any workshop or lab. This trinocular model has an additional port for mounting a camera, so you can record video or photos without replacing an eyepiece. OpticsThe 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. 0.5X and 2X Barlow lenses are included, which can be alternated to either halve or double the magnification range, expanding the possible magnifications to 3.5X-90X. 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. Trinocular Port The switched trinocular photo-port provides a dedicated mount for a camera. When the photo-port is switched open, all light from the left objective is diverted to the port to provide maximum brightness for the camera to guarantee the best quality images. Single-arm Boom-Stand The multi-pivoting stand provides a stable, flexible support system, ideal for hands-on work. The single-arm design provides heavy-duty support in a simple form. The head can be turned 360°, the focus-block can swing in either direction, and the lateral arm can rotate and swing to position the head at virtually any angle. The heavy, steel base ensures the stability of the microscope, even when laden with attachments. Additional ItemsThis package includes a 56-LED ring-light for bright and cool illumination. This lightweight illuminator mounts to the microscope’s objective housing, and projects an encompassing field of light over objects, eliminating most shadows. Whether used as the sole light-source or in combination with additional illuminators, the ring-light produces a crucial light pattern for virtually any application. Energy-efficient and producing low heat, this ring-light can be used with biological specimens as well as industrial. Specifications Optical System: Greenough stereoscopic Head: Trinocular, 45° incline, 360° rotatable Photo Port: height-adjustable 23mm tube, CX series Interpupillary Adjustment: Compensation-free gemel, 54-76mm Ocular Diameter: 30mm Ocular Diopters: Both oculars, ±5dp Eyepieces: 10X Objective Lenses: 0.7X-4.5X zoom Objective Numerical Aperture: 0.065 @ 4.5X, 0.02 @ 0.7X Objective Resolution: 195 lp/mm @ 4.5X, 60 lp/mm @ 0.7X Native Field-of-View: 4.4mm-28.6mm Native Working Distance: 100mm Auxiliary (Barlow) Lens: 0.5X, 165mm working distance2X, 30mm working distance Stand Type: Single-arm boom-stand, cast-steel base Stand Dimensions: 16" arm (overall length: 24"), 17" high pillar, 9" x 9" x 1-3/4" solid cast steel base Focusing-block Focus Range: 50mm Packing List:One trinocular stereo microscope head One photo port attachment 10X eyepiece(s) One 0.5X Barlow lensOne 2X Barlow lens One pair eye-guards One single-arm boom-stand with focusing rackOne LED ring-light One AC adapter One ring-light mounting adapter