Additional Images
(National Optical 161 Laboratory Dual-head Microscope
The National Optical Model 161 dual-head microscope combines superior design and performance with a dual-head that is perfect for teaching or digital photography. The features and engineering make it ideal for university, laboratory, and professional use, or for families who want to study cells at the highest level.The higher-quality DIN achromatic optics provide superb optical clarity at 40, 100, 400, and 1000x magnification. The precision coaxial focusing and low-position coaxial stage controls are a pleasure to use and deliver smooth, reliable performance. Other features like the reverse position objective turret facilitate slide changing and ease of operation. The bright 20-watt halogen lighting with variable intensity control, 1.25 N.A. Abbe condenser, and iris diaphragm with swing-out filter holder provide great contrast control. Order immersion oil for 1000x objective. National Optical model 161, lifetime warranty. Drop shipped. Ages 12-Adult.
Order this microscope with 3.0 Megapixel Digital Camera or 5.0 Megapixel Digital Camera that just slips in place of the vertical eyepiece and you will be capturing high-resolution digital or video images in just minutes.
This microscope can also be ordered with Super High Contrast objectives or Plan Achromatic objectives as listed below.Note: This item only ships to a street address in the 50 US states with UPS Ground shipping.
Drop Shipped: This item is drop shipped from National Optical. The ship date is usually within two weeks from the order date.
Product Specifications
- 10x widefield eyepieces with18mm exit pupil distanceand a pointer in one eyepiece
- 360° rotating head with one 30° inclined eyepiece and one vertical eyepeice with diopter
- 4x (0.10 NA), 10x (0.25 NA), 40xR (0.65NA) and 100xR (1.25 NA) deluxe objectives are DIN achromatic, parcentered, parfocaled, and color coded
- Also available with optional super-high contrast or plan achromatic objectives
- 40xR objective is retractable, 100xR objective is oil retractable
- The reverse position 4-objective turret is ball-bearing mounted for smooth, precise changes in magnification
- Coaxial fine and coarse focusing with slip clutch to prevent damage to slides or optics
- Coarse focus has tension adjustment to eliminate stage drift, fine focus is graduated
- All metal rack and pinion focusing
- Large 140 x 135mm stage with stage stop and integrated mechanical stage with low-position coaxial x-y controls and 70mm (x) by 50mm (y) movement with graduations of 0.1mm
- Adjustable 1.25 NA Abbe condenser with rack and pinion focusing and an iris diaphragm for contrast control
- Swing-out filter holder with clear blue, green, and yellow contrast filters
- 20-watt, 12-volt extra-bright halogen illumination with a variable rheostat for precise lighting control
- Special wiring for 220 volt use is available
- Field of view is 4.5mm at 40x and 0.18mm at 1000x
- Working distance ranges from 18.5mm at 40x to 0.06mm at 1000x
- Cast aluminum frame, stands 18" tall
- Includes operating instructions and a dust cover
- Replacement light bulb available
- Lifetime warranty
- National Optical Model 161
