National 131-RLED Series Microscopes, Monocular

National 131-RLED Series Microscopes, Monocular As the microscope that sets the standard for high school instruction, the 131-RLED is part of a series of compound microscopes that include all of the most commonly specified features like rugged metal construction and locked-on parts. The superior DIN optical system and precision mechanical components assure sharp, unsurpassed viewing. This microscope is recommended for instruction through grade 12. SPECIFICATIONS The microscope that sets the standard for high school instruction, now with the freedom of rechargeable batteries. Includes all the most commonly specified features, like rugged metal construction and locked-on parts. Superior DIN optical system and precision mechanical components assure parfocalled and parcentered optical alignment for sharp, unsurpassed viewing. Utilizes rechargeable batteries for bright, cool illumination from long-life LED bulbs. OPTICAL SYSTEMWidefield 10x eyepiece with revolving pointer. Accepts optiona