MS-100 Student Microscope.  Excellent quality for the price with all metal gearing and components where others are plastic.  Compare and see that this microscope is better in every way. 
 
BROCHURE (Accu-Scope and Microscope Solutions version available)
Specifications
Optical System: DIN Optical System, f=160mm, Anti-Mold
Viewing Head: Binocular or Trinocular; Inclined 30° and rotatable 360°; Single diopter adjustment; Interpupillary distance adjustment 50-75mm
Eyepieces: WF10x/18mm field of view; a pointer is standard in one eyepiece; eyepieces are locked in to prevent tampering
Nosepiece: Rear facing, quadruple, ball bearing with positive click stops to ensure parcentration
Objectives: Achromat objectives; 4x, 10x, 40xR* and 100xR oil* -- (*spring-loaded)
Stage: Double-layer mechanical stage; size 115mm x 125mm; right hand control; vernier scale
Condenser: N.A. 1.25 Abbe condenser with iris diaphragm and filter holder
Stand: Cast alloy aluminum; built in fixed focus stop allows for rapid focusing while protecting specimens; built-in carry handle and cord hanger
Illumination: Variable LED illumination, 0.2W; bulb life rated for 20,000 hours; rechargeable
Focusing System: Coaxial coarse and fine focus with adjustable tension control, 13mm focus travel; focus travel lock; all metal gears
Power: Power adapter delivers 5V1A to microscope from 100V-240V input
Accessories: Dust cover and instruction manual included
Certification: ISO 9001: 2018 and ISO 14001: 2018; UL listed; CE
Warranty: 5-year limited warranty for parts, labor and electronic components; 1-year warranty on LED bulb
Microscope Dimensions (LWH): 255mm x 198mm x 368mm
Physical Weight: 12 lbs.
Shipping Dimensions: 19x15x13 inches
Shipping Weight: 15 lbs."