Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. Delivering sharp, highly defined optical images and precise mechanical movements the 3004 microscope series redefines the standard for outstanding performance, reliability and value in an economically priced binocular microscope * Ideal for students, laboratories, medical and veterinary professionals * Eyepieces: WF10x eyepieces with pointer, 18mm field of view * The eyepieces are locked-in to prevent classroom tampering * Head: Binocular (45? viewing angle) or monocular (30? viewing angle) heads are lockedon and are rotable 360?. Interpupillary distance settings (55- 77mm) and diopter adjustment allow the user to maintain objective parfocality when switching to different objective magnifications * Stand: Ergonomically designed with comfortable low position coaxial coarse and fine focusing controls and an adjustable tension control to maximize individual comfort and convenience * A built-in fixed focus stop allows for rapid image focusing while protecting specimens and objectives * Acid resistant lustrous almond finish * Nosepiece: Quadruple, ball bearing, nosepiece with positive click stops to ensure parcentration * Durable, rubber grip on turret makes switching objectives fast and easy * Objectives: DIN standard achromat or plan, parfocal, parcenter and colorcoded * 4x (N.A 0.10), 10x (N.A. 0.20), Semi-Plan 40xR* (N.A. 0.65), 100xR* (N.A. 1.25) oil immersion * Miscellaneous: 5-year warranty, cord hanger, dust cover, immersion oil and blue filter are included with each complete model *