与 «FOCUSER»相关的英语书籍
在以下的参考文献中发现
focuser的用法。与
focuser相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Amateur Telescope Making
I like low-profile focusers because they help keep the secondary mirror small. I
also like Crayford-style focusers because they have no backlash or play. I bought
the focuser for this telescope, one of only four ready-made pieces for this project
...
2
Scientific Astrophotography: How Amateurs Can Generate and ...
Gather and check condition of components All components are in satisfactory
condition [] Satisfactory [] Unsatisfactory—resolve issue with bad component 2.
Assemble components into imaging train (except focuser, which is mounted on ...
3
Star Ware: The Amateur Astronomer's Guide to Choosing, ...
tube, thread-on metal dew cap, and focuser housing are all nicely finished in
black with the company's signature orange trim, while the 2-inch rack-and- pinion
focuser works very smoothly with no backlash. Images are nearly free of false
color, ...
Philip S. Harrington, 2011
4
CCD Astrophotography: High-Quality Imaging from the Suburbs: ...
Meade jumped on the bandwagon of after- market electric focusers and now
includes both their microfocuser and mirror- lock design on their new and
improved GPS LX200 units. I chose a JMI NGF-S electric focuser (Jim's Mobile,
Inc.), which, ...
5
The Physical Review: The First Hundred Years : A Selection ...
It was found that the oscillation frequency was slightly dependent on the source
pressure and the focuser voltage, both of which affect the strength of the beam.
These often produced frequency changes of the order of 20 cycles per second ...
6
Care of Astronomical Telescopes and Accessories: A Manual ...
Using a short straightedge held against the end ofthe tube, mark the tube-end
position accurately on the drawing, then measure the outside diameter ofthe
focuser tube, not the inside, since a little clearance is a healthy thing.6 Starting
from the ...
7
Sendmail: Theory and Practice
Finding the MIPI is the job of the Focuser. However, the Focuser is not very bright,
and so it does its focusing one step at a time. It tries to find the MIPI and send it to
the Router. The Router's job is to direct and deliver mail to an MTA, which ...
Paul A. Vixie, Frederick M. Avolio, 2002
8
A User's Guide to the Meade LXD55 and LXD75 Telescopes
A typical focuser is split into two elements; the drawtube and the focusing rack.
Most telescopes have focusers that employ the rack and pinion method for
focusing. The action of twisting the focusing knobs moves the drawtube in and
out of the ...
9
The Focusing Student's and Companion's Manual
It is so simple that watching it, you might think that the Companion is not really
doing anything special at all — just saying back what the Focuser has said. In its
simplest form, it involves changing nothing except /into you. • Focuser: I'm
sensing ...
Ann Weiser Cornell, Barbara McGavin, 2002
10
Illustrated Dictionary of Practical Astronomy
A focuser may be a simple draw tube that is pushed in and out to focus, or of a
more elaborate construction that enables focusing to be made more smoothly
and precisely. Two common means of accomplishing this are by the helical
focuser ...
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focuser在以下新条目的上下文中是如何使用的。
Fireflies, Green Stars, and Chromatic Duos
That happened when one crawled into the bottom of my focuser and let off a blast of light while I was in middle of making a variable star ... «Sky & Telescope, 七月 15»
Celestron Handheld Digital Microscope Pro
... locking the microscope when you've reached the desired height, and then using the focuser on the side of the microscope to achieve a fine ... «PC Magazine, 六月 15»
Sky-Watcher Stargate-450P Dobsonian
The two-inch Crayford focuser also offers a direct camera connection, to assist in the capture of the telescope's rich pickings. Diameter of ... «Astronomy Now Online, 六月 15»
Orion SkyQuest XX12g Dobsonian
One minor annoyance was the otherwise excellent Crayford-style focuser, whose large tactile focus knobs are so positioned as to leave ... «Astronomy Now Online, 四月 15»
Vixen Optics VSD 100/f3.8 ultra-fast astrograph
The helical focuser offers 31.7mm and 50.2mm push fits, in addition to M84, M60 and M42 photo threads. To facilitate precision focusing, the ... «Astronomy Now Online, 四月 15»
Lunar eclipse observed at Imphal
... lunar eclipse of April 4, 2015 at Imphal using a Celestron 14 inch telescope coupled with an Optec de-focuser and a Cannon DSR camera. «E-Pao.net, 四月 15»
Observing Report: The Herschel Sprint
... detail, or write and sketch my observation as I normally do, but I did have a digital voice recorder that I velcroed near the focuser for dictation. «Sky & Telescope, 四月 15»
iStar WXT 204-6LT refractor review
The optics are served by a first rate dual-speed focuser. The WXT 204-6LT comes with either a two-inch focuser, or a 3.5-inch version. «Astronomy Now Online, 三月 15»
Thompson not concerned where Matthews plays next season
"I'm not a big focuser on that sort of thing," Thompson said. "I think he's a really valuable player. And he always has been, since the day I saw ... «Milwaukee Journal Sentinel, 三月 15»
Peer Into the Distant Universe: How to See Quasars With Backyard …
... mount then found my favorite eyepiece a Meade WA 18mm only just barely came to focus with the focuser racked all the way down. So today. «Universe Today, 二月 15»
