KSIĄŻKI POWIĄZANE ZE SŁOWEM «PARFOCALITY»
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1
Digital Photography for Science
In this case, parfocality assumes that the correct length of microscope tube is
used (e.g. objectives designed for a 160 mm tube, as a rule, will not be parfocal if
used on a microscope with a 220 mm tube). Parfocality is relevant to small–
subject ...
2
Opto-Mechanical Systems Design, Third Edition
At this point, the parfocality adjustment sleeve is a temporary sleeve with
clearance holes to allow access to these screws. After the image is corrected, the
screws are securely tightened. The temporary sleeve is removed and the final
sleeve is ...
3
Mounting Optics in Optical Instruments
The parfocality adjustment sleeve is adjusted until the image is located at the
standard distance from shoulder -A- on the main barrel. All lenses adjusted in this
manner are "parfocalized," i.e., they have a common distance from flange to
image ...
4
The Practice of Surgical Pathology: A Beginner's Guide to ...
Parfocality means that if an image is focused at 40×, you should be able to switch
to 4× and still be in focus. It is not the same as Köhler illumination. You can
achieve parfocality only on a microscope with two adjustable eyepieces; it is most
...
Diana Weedman Molavi,
2008
5
Steel Heat Treatment: Equipment and Process Design
7.3.4 PARFOCALITY Microscopes are often provided with parfocal lens system
so that there is no need to refocus after changing the objectives or the eyepieces
except for minor adjustment of the fine focusing knob. The optical–mechanical ...
6
Fundamentals of Light Microscopy and Electronic Imaging
... microscopy. The 40×/1.3 NA fluorite objective is significantly brighter, but is
less well corrected. Objective. Parfocality. In order to enable a set of microscope
objectives to be interchanged with minimal refocusing, manufacturers build ...
Douglas B. Murphy, Michael W. Davidson,
2012
7
Soviet Journal of Optical Technology
INSTRUMENTS UDC 681.4.07:535.824.2 Device for Setting of Parfocality of
Microobjectives G.Ye. Skvortsov and I.M. Dolinskiy A new lathe for parfocality
setting of finished microobjectives is described, as is the accuracy of this device.
8
Illustrated Guide to Home Biology Experiments: All Lab, No ...
Professional-grade microscopes provide adjustments for both parfocality and
parcentrality, but student- and hobbyist-grade microscopes are set at the factory
and cannot be adjusted by the user. That means it's important to check these ...
Robert Bruce Thompson, Barbara Fritchman Thompson,
2012
Focusing the Oculars. (1) STEP 1: Focus the specimen while looking through the
right ocular and adjusting with the fine focus knob. (2) STEP 2: Adjust the left
ocular by turning the ocular focus knob. 1-28. PARFOCALITY Most microscopes
are ...
U.S. Department Of Defense
10
Histological Techniques: An Introduction for Beginners in ...
Parfocality means that if one objective is in focus then all the others should also
be in, or very close to being in, focus. When focusing down on a section with a
high-power objective, you may notice that the fine focus control suddenly
becomes ...
Robert Maynard, Noel Downes, Brenda Finney,
2014
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «PARFOCALITY»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
parfocality w wiadomościach.
Microscopes Can Focus More Sharply and Quickly Thanks to …
They cannot correct for variations in sample thickness, drift between the point of probe measurement and the sample, parfocality errors ... «Design World Network, Lut 10»
Engineers at Motion X and PI Develop a Faster Laser/PiezoBbased …
... sample thickness, drift between the probe and sample, parfocality errors between objectives, drift in the optics or the column itself, and so on. «Nanowerk LLC, Lut 10»