National Optical 215 Advanced Binocular Compound Microscopes

National Optical 215 Advanced Binocular Compound Microscopes with precision optics are ideal for students or professionals. Model 215 has a Seidentopf head for comfortable viewing, coaxial focusing, low drive mechanical state, and LED illumination with conveniently located intensity control. LED light rated up to 50,000 hours.

Key Features

• Widefield 10x eyepiece with pointer. Accepts optional #965-160 eyepiece reticle
• 30° inclined binocular viewing head rotates 360° for easy sharing by more than one student
• DIN standard 4x (0.10 N.A.), 10x (0.25 N.A.), 40xR (0.65 N.A.) and 100xR (1.25 N.A.) objectives are supplied for 10x, 100x, 400x, and 1000x magnification. All are achromatic, parfocalled, parcentered, and color-coded
• 4-hole objective turret, reverse position, ball-bearing mounted for smooth, precise changes in magnification
• Coaxial coarse and find focusing controls
• Slip clutch prevents damage to focusing system
• Tension adjustment eliminates state drift
• Safety rack stop prevents damage to slides and objective lenses
• Cool running LED light with intensity control rated up to 50,000 hours of life
• Rechargeable batteries can be recharged up to 1000 times
• 8-hour charge provides up to 50 hours of use
• Recharge adapter shuts off when batteries are fully charged to prevent overcharging and permits conventional light operation by plugging into an electrical outlet
• Limited lifetime warranty, excluding bulb, fuse, and cord