Mitutoyo PH-3515F Optical Comparator w/14" Screen Mitutoyo's PH-3515F is a heavy-duty, bench-top optical comparator that uses a horizontal optical system. This optical comparator includes an 8" x 4" floating-type workstage that incorporates linear scales for fast, accurate measurement. The workstage provides high accuracy and can handle a workload of up to 100 lbs. The PH-3515F offers a 14" diameter screen that includes cross-hairs for easy alignment and an erect image on Day-bright screen. The KA Counter is a great digital display for customer that only want to perform point-to-point measurements. If you need to do more advanced measurements like angles, diameters, and centerline-to-centerlines, you should look at Mitutoyo's more advanced Optical Comparator Digital Display, the QM-Data. A wide range of accessories are also available for the PH-3515F making it suitable for a wide variety of applications. Complete Package includes the following... Mitutoyo Optical Comparator PH-3515F Main Unit 10X Lens Fiber Optic Illumination Mitutoyo KA Counter 2-Axis Display Counter Tray Mitutoyo Optical Comparator Stand for PH-3515F FREE FREIGHT FREE Onsite Installation & Initial Calibration Free Freight Anywhere in continental USA Free On-Site Installation / Initial Calibration