Chapter 3 Individual Operations
103
Individual
Operations
9
Using the Condenser
The Ni-E basically uses a motorized universal condenser that supports all microscopy methods (bright-field, dark-field,
differential interference contrast, and phase contrast). It can also use various manually-operated condensers such as
manual universal condenser.
Use the condenser appropriate for the microscopy method and objective.
9.1
Compatibility of Condensers with the Magnification of Objectives
(: Optimal
○: Suitable ×: Not suitable)
Some condensers may have limit in their use depending on the magnification of the objective. See the table below so that
you can use a condenser properly.
Objective's magnification
Type of condenser
1x 2x 4x 10x to 100x
Remarks
Motorized and manually-operated
Universal Condenser (Dry)
× ○*1 ○*1
*1: Only the bright-field microscopy is
available for 2x and 4x with a 2-4x
auxiliary lens in the optical path
when used.
DIC Condenser (Oil) × × ×
C-C Achromat Swing-out
Condenser 1-100x
○*2 *2 *2 *2: Swing out the top lens before use.
C-C Slide Achro Condenser 2-100x × *3 *3 *3
Do not use this condenser with an
achromat objective or a plan achromat
objective.
*3: For objectives of 10x or higher
magnification, pull out the slide.
For objectives with 2x or 4x
magnification, push in the slide to
prevent vignetting.
X LWD Condenser × × ○ ○
C-C Abbe Condenser No.9
C-C Achromat Condenser No.9
× × ○*4 ○
*4: The entire field of view may not be
covered if a UW eyepiece is
attached.
C-C Aplanatic Condenser × × ×
Dark Field Condenser (Oil) and
(Dry)
× × × ○*5
*5: Oil supports objective with numerical
aperture 1.1 or less and Dry
supports objective with numerical
aperture 0.75 or less.
In addition, Oil supports 20x or
greater objectives.
Notes on using a condenser
Depending on the type of objective, the indicated numerical aperture of the objective may not be achieved.
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