Excellent Portable microscope with rechargeable LED. This would be an excellent field microscope or Vet microscope Optical System: DIN Optical System, f=160mm, Anti-MoldViewing Head: Binocular; Inclined 30° and rotatable 360°; Single diopter adjustment; Interpupillary distance adjustment 50-75mmEyepieces: WF10x/18mm field of view; a pointer is standard in one eyepiece; eyepieces are locked in to prevent tamperingNosepiece: Rear facing, quadruple, ball bearing with positive click stops to ensure parcentrationObjectives: Achromat objectives; 4x, 10x, 40xR* and 100xR oil* -- (*spring-loaded)Stage: Double-layer mechanical stage; size 115mm x 125mm; right hand control; vernier scaleCondenser: N.A. 1.25 Abbe condenser with iris diaphragm and filter holderStand: Cast alloy aluminum; built in fixed focus stop allows for rapid focusing while protecting specimens; built-in carry handle and cord hangerIllumination: Variable LED illumination, 0.2W; bulb life rated for 20,000 hours; rechargeableFocusing System: Coaxial coarse and fine focus with adjustable tension control, 13mm focus travel; focus travel lock; all metal gearsPower: Power adapter delivers 5V1A to microscope from 100V-240V inputAccessories: Dust cover and instruction manual includedCertification: ISO 9001: 2018 and ISO 14001: 2018; UL listed; CEWarranty: 5-year limited warranty for parts, labor and electronic components; 1-year warranty on LED bulbMicroscope Dimensions (LWH): 255mm x 198mm x 368mmPhysical Weight: 12 lbs.Shipping Dimensions: 19x15x13 inchesShipping Weight: 15 lbs." Brochure