Meiji Techno MA820 - TC Plan Achromat LWD 4X Objective
N.A. 0.13, F.L. 49.90mm, W.D. 17.3mm
The MA820 is a TC LWD Planachromat 4X objective that is compatible with the TC-5000 and TC-5000C series. It has a parfocal distance of 45mm, a din standard 0.7965" (20.1mm) diameter threads, 36 TPI and 55° Whitworth.