Features: A vertical projection screen of 16"(400mm) in diameter High resolution of the capillary wave away from the screen, with corrected cross line, 90 degree cross wire and film clip Electronic rotating screen goniometer, available at 1 point or 0.01 degree resolution Precision machine with vernier protractor High specification stage (Part # 8x4mn-1) • standard stage weight of 125 LBS • 15" x 10.5" surface dimensions • 7" x 4.5" glass dimensions • 8" x 4" measuring range • 4" adjustment range • cross ball bearings Quartz halogen lamp source, cooling fan and electronic intelligent brightness control It extends the life of the bulb The dynamic optical head is conducive to maintaining a constant accuracy A turntable with a rotatable objective lens and a condenser built in Bottom lighting standard Coaxial surface lighting fitting Multiple loading platforms are available, with maximum travel range of 16"x8". Machine case made of welded steel plate Multiple objective lenses of 5x-100x are available Optional fully digital reading device Optional built-in or external edge detection device NIST traceable calibration certificate Technical parameters: Lighting profile: built-in 24V/150w automatically aligned halogen lamp Surface: built-in 24V/500W fiber lamp The screen size is 32 "(800mm) Carrier stage cast iron, nickel plated, 36 "x 8", three rows of dovetail slots Stage travel X = 18 "(460mm), electric Y = 10 "(250mm), electric Focus = 3 "(75mm) manual, optional electric Full confocal screw adjustment range = +/- 15 degree, 5 min vernier Platform option 30 "x14" x6