B-0705-1 01/1992 (Digitized 07/2005)
2-16
Eyepiece screw together and back into the
Tube plugging.
By turning the eye lens line figure
focus, then the object
focus. Line figure and object must
be imaged simultaneously sharp.
If size relationships between pitches or intervals on the surface plates and object-
be determined detailed dimensions, one uses a scale as an object of known
Interval value (eg, object-Target 1/0, 01 a), and compares a given optical combination
whose division with the division on the eyepiece measuring plate.
For simple size determinations of the scale value in the microscopic image is determined by
the line spacing of the eyepiece measuring plate (eg, 0.10 mm at 20: 200) by the value of "Lens
enlargement "will be divided.
Example:
Lens: 20x PA / 0.40
∞
/ 0 HD
Eyepiece Target: 20: 200
Size of the object to be measured: 5 lines on the eyepiece Target
Object size =
5 x 0.10 mm
=
0.5 mm
= 0.025 mm
20
20
For detailed information on working with measuring, counting and comparison plates are following
Be found instructions for use:
30-G0510-1
"reticles for measuring and counting for JENA MICROSCOPES 250-CF" and
30-G492/b-1
"Accessories for microscopic measuring and counting."
Figure 2-25 Inserting a Okularplatte
Page 50
2.2.4.2 Working with the monocular measuring tube P16x -10
The auxiliary unit
monocular measuring tube P16x -10
is for conventional length measurement in
Okularzwischenbild suitable. In addition, a higher accuracy than when using the
Surface plates can be achieved.
Cultivation
Remove from binocular microscope.
Monocular measuring tube P16x -10 (2-26/1) in
Insert the quick-change (2-26/3) and with
Fasten the clamping screw (2-26/4).
Drum division (2-26/2) during the measuring process in
Concave mirror (2-26/5) read (enlarged
Representation).
Figure 2-26 Attaching the measuring tube P16x-10
Extensive instructions for use:
30-G0525
"Measuring and counting under the microscope."
2.2.4.3 Working with the binocular measuring device
The auxiliary unit
binocular measuring device
is suitable for measuring and counting tasks that a
require greater accuracy than with the use of ocular surface plates (section 2.2.4.1.)
It is a combination of:
binocular sliding tube (2-27/2) with Vice-
Barem eyepiece (2-27/1) and
Meßschraubenokular P10x (2-27/3) with
justable eyepiece (2-27/4).
Содержание JENA PLAN HD 9x12
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