AmScope SM-4 Series Zoom Trinocular Stereo Microscope 3.5X-90X Magnification with 80 LED Direction Variable Ring Light and 20MP USB 3.0 C-mount Camera on Double Arm Boom Stand3.5X-90X extended zoom magnification using high-quality Greenough stereoscopic objective lenses with 0.5X and 2X Barlow lenses.The microscope provides up to 6.5"" (165mm) of working distance.A highly-versatile stereo microscope on a heavy-duty, multi-pivot boom-stand which allows the microscope to easily swing into place when needed, and away when not.Dual diopters can be adjusted to maintain consistent focus throughout the magnification range, greatly improving productivity.The stereo optics provide upright images with clear depth-of-field and a wide view for hands-on applications.A trinocular photo-port provides a dedicated mount for adding a camera.This microscope is ideal for laboratories, repair shops, and engravers.Monitor and capture photos and videos with the included back-illuminated 20MP USB 3.0 camera. Professional microscopy software for Windows, Mac, and Linux provide tools for image processing, measuring, and more.The flexible 80-LED ring-light uses a multi-zone controller to project either directional or fully-encompassing light.The SM-4T 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.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 AdjustmentDual 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 PortThe 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. 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-StandThe 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.Digital ImagingMonitor and capture photos and videos with the included high-resolution 20MP USB3.0 camera. The sensitive back-illuminated sensor is designed for improved low-light imaging, making it suitable for fluorescence and darkfield microscopy. Our professional software for Windows provides a wide assortment of capture and photo-editing functions including color correction, time-lapse capture, image stitching, and a full complement of measuring tools. A lite version of our software is available for Mac and Linux with essential functionality for capturing photos and videos.Additional ItemsThis package includes an 80-LED ring-light with a multi-zone controller for bright and cool illumination using multiple projection patterns. This ring-light mounts to the microscope's objective housing, and can project fully-encompassing light, or isolated areas for directional lighting. 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.SpecificationsMicroscope HeadHead TypeTrinocular, 45° incline, 360° rotatableOptical SystemGreenough stereoscopicInterpupillary AdjustmentCompensation-free gemel, 54-76mmOcular-port Diameter30mmDioptric AdjustmentBoth oculars, ±5dpEyepieces10XPhoto Portheight-adjustable 23mm tube, SM seriesObjective Lenses0.7X-4.5X zoomObjective Numerical Aperture0.065 @ 4.5X0.02 @ 0.7XObjective Resolution195 lp/mm @ 4.5X60 lp/mm @ 0.7XNative Field-of-View4.4mm-28.6mmNative Working Distance100mmAuxiliary Lens Mount48mm threadAuxiliary (Barlow) Lenses Included0.5X, 165mm working distance2X, 30mm working distanceStandStand TypeDouble-arm boom-stand with ball-bearing movement, cast-steel baseStand Dimensions20"" double-arm (overall length: 30""), 17"" high pillar, 10-1/4""x8-1/4""x2""Focusing-block Focus Range50mmCamera SpecificationsSensor TypeBack-illuminated CMOSSensor Optical Format1""Active Pixels20M (5440 x 3648)Pixel Size2.4µm x 2.4µmActive Sensor Area13.06mm x 8.76mmShutterelectronic rolling shutterSensitivity462mV @ 1/30sSpectral Response380-650nm with IR-cut filterCapture Resolution and Maximum Framerate15fps @ 5440x3648, 50fps @ 2736x1824, 60fps @ 1824x1216ConnectivityUSB 3.0Lens-mountC-mountCompensating Lens1XPower5VDC over USBSoftwareOS RequirementsWindows (32/64 bit) XP/Vista/7/8/10, Mac OS 10.8+, Linux kernel 3.13+Hardware RequirementsIntel Core2 2.8GHz or comparable processor, 4GB RAMFeaturesWindows VersionLive video previewCaptures still images and videoTime-lapse captureExposure and white-balance controlsDark-field correctionDigital binningImage processingMeasurement tools, including lines, arcs, polygonsSegmentation and counting toolsImage-stitching, extended depth-of-field, HDRFluorescence color-mappingMac/Linux VersionsLive video previewCaptures still images and videoExposure controlColor adjustmentMeasurement tools, including lines, arcs, polygonsPacking List:One trinocular stereo microscope headOne photo port attachment 10X eyepiece(s)One 0.5X Barlow lensOne 2X Barlow lensOne pair eye-guardsOne double-arm boom-stand with focusing rackOne C-mount USB cameraOne USB 3.0 Type B to USB 3.0 type A cableOne software CDOne LED ring-lightOne power controllerOne AC adapterOne ring-light mounting adapter