Superior imaging
Plan objectives are packaged as standard, providing image flatness that is among the best in this class. The CX21 is equipped with the same UIS2 optical system used in Olympus’ top-level microscopes. In addition, Plan Achromat objectives are included as standard for the first time in this class of microscope, providing sharp images with high contrast right up to the edge of the field of view

Easy, safe operation
Rackless stage for durability and ease of use. The wire-driven stage movement avoids any protrusion of racks, preventing the possibility of accidental damage or hand injury. Abrasion-resistant rackless design ensures continuous smooth movement.

Component security.
The eyepieces, objectives and condenser are all factory attached to the microscope body ensuring that no component is dropped or detached during transportation or regular use

Ultra-smooth, quadruple revolving nosepiece
High-precision machining ensures smooth operation and durability. Nosepiece includes a rubber ring for an easy ergonomic grip.

Bright, uniform illumination
The CX21’s 6V20W high-intensity halogen lamp delivers clear, stable illumination. The built-in aspheric collector lens provides images that are bright and uniformly illuminated over the entire field of view

Mechanical stage focus-lock prevents mishaps
The focus position can be locked making it easy to refocus when the specimen is changed. With the upper stage position locked, there is no chance of the objective accidentally touching the slide and damaging either the specimen or the objective itself

Abbe condenser for optimized contrast
The optimal aperture stop position for each objective is clearly marked on the Abbe condenser, resulting in high-resolution, high-contrast images

Individual choice of adjustment
Binocular observation tube is inclined 30 degrees allowing for an ergonomic, comfortable posture during observation. Eyepieces can be easily set for multiple users with a scaled interpupillary distance adjustment and diopter setting. High eyepoint design eyepieces with F.N.18 can be used comfortably without removing eyeglasses.

Anti-fungus treatment for component durability
An effective anti-fungus treatment is applied to the objectives, eyepieces and observation tube for consistent image clarity and long operating life even in hot humid work conditions

Tension adjustment for smoother focusing
The coaxial coarse/fine focusing knob is operable from either the left or right side. Coarse movement tension can be adjusted in accordance with personal preference

Compact design, easy to store and carry
The CX21 is only 391 mm high, compact enough to be stored in a typical classroom cabinet. A cord-rest and wooden storage box are also available as an option, for convenient storage and portability

Ergonomic design for user convenience
The focusing knob, light control adjustment knob and stage handle are located close together, the user can work with hands on the desk and operate the CX21 with minimal movement

Mirror unit allows observation with no power source
Attachment of the optional mirror unit allows observations to be made even when no power source is available. When an external light source is used, the observation head can be reversed and the slide can be viewed through a large opening in the arm.


Item Specifications
Optical system UIS2 (Universal Infinity System) optical system
Illumination System Built-in transmitted illumination system
6V20W halogen bulb
100-240V 50/60Hz universal voltage
Focusing Stage height movement (coarse movement stroke 20mm)
Fine focus graduation: 2.5µm
Revolving nosepiece Fixed quadruple nosepiece
Stage Wire movement mechanical fixed stage: 120X132mm
Traveling range: 76mm(X)X30mm(Y)
Single specimen holder
Observation tube 30° inclined binocular tube
Interpupillary distance adjustment range 48-75mm
Condenser Abbe type with aperture iris diaphragm N.A.: 1.25
Objective lens Plan Achromatic objectives (anti-fungus)
4X N.A.: 0.10 W.D.: 18.5mm
10X N.A.: 0.25 W.D.: 10.6mm
40X N.A.: 0.65 W.D.: 0.6mm
100X N.A.: 1.25 W.D.: 0.13mm (option)
Eyepiece (10X) Field Number (F.N.): 18 (anti-fungus)
Optional accessories Mirror unit, 15X eyepiece (F.N. 12, anti-fungus), cord rest, wooden
storage box, filar micrometer, wire pointer, filter holder, darkfield stop