National 405 Series Stereo Microscopes, 20X or 30X Magnification

National 405 Series Stereo Microscopes, 20X or 30X Magnification Same high quality optical system and precise mechanical components of our larger stereo microscopes. Designed for both the beginner or the general hobbyist. The 405TBL-10-2 is an inclined stereo microscope that features a 2X objective, magnifying the specimen 20 times, or a 3X objective, magnifying the specimen 30 times.. The post mount enables 360ﾰ rotation and adjustment up/down that accommodates larger specimen.   MAGNIFICATION 2x (20x Magnification)  or 3x (30x Magnification).  OPTICAL SYSTEMPaired widefield 10x eyepieces are supplied standard, 45° inclined, with diopter adjustment. Interpupillary adjustment from 50mm to 75mm. Reticle holder/retainer accepts eyepiece reticle with 23mm O.D.47mm working distanceStandard magnification of 20x is considered ideal. Optional WF15x eyepieces increase magnification 50%.ILLUMINATIONHigh intensity, 12v 10 watt incidental and transmitted illumination. Separate switches permit use