Trinocular Microscope 3.5X-90X Zoom The SM-2T is a turnkey trinocular stereo microscope solution for biological and industrial fields. Using the workhorse SM745 head, it provides remarkable optical quality with a wide zoom magnification range. The dual-illumination base provides solid support, and both transmitted and reflected lighting for observing a range of objects, from biological cultures to PCBs. This trinocular model has an additional port for mounting a camera, so you can record video or photos without replacing an eyepiece. Optics 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. 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. Dual-Illumination Stand The dual-illumination stand provides a turnkey solution for biological and industrial applications. The pillar-based support system offers flexibility with its ability to quickly adjust height and lateral position. The microscope can be easily set and rotated in the mounting collar, and locked in place once adjusted. Large, symmetrical focus knobs provide the precision control needed, with adjustable tension for light or heavy loads as well as comfort. Overhead and sub-stage halogen lighting allows you to work with opaque and translucent objects. The top light is mounted behind the head to provide offset light, and can be tilted for varied effect. This is useful for topological examination, such as with circuit boards and biological cultures. Thin tissue specimens, gemstones, and other translucent materials will benefit from the sub-stage transmitted lighting. A frosted glass stage-plate is provided to diffuse the light for more even back-lighting. Specifications Microscope Head Head Type 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 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 (10X Eyepieces) 4.4mm-28.6mm Native Working Distance 100mm Auxiliary (Barlow) Lens 0.5X, 165mm working distance2X, 30mm working distance Stand Stand Type Pillar stand with integrated top and bottom illumination Focusing-block Focus Range 50mm Reflected Illumination 15W halogen Transmitted Illumination 15W halogen Stage Illumination Plate Diameter 95mm Power 110VAC 60Hz Packing List: One trinocular stereo microscope head One photo port 10X eyepiece(s) One 0.5X Barlow lens One 2X Barlow lens One pair eye-guards One pillar stand One focusing block One top-light One pair stage clips One glass stage plate One black/white stage plate One power cord Two light bulbs One hex wrench One dust cover