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MEADE 8"/ 10"/ 12"LX90GPS-ACF/UHTC 全功能電腦控制 教學級天文望遠鏡

8" LX90GPS-ACF 已獲以下學校使用:
2008
-教育統籌處
2009
-龍翔官立中學
-聖公會聖瑪利堂莫慶堯中學
-筲箕灣官立中學
-伍華中學
-西貢崇真中學


2011
Maryknoll Convent School
 
致全港各學校:

凡購買天文儀器滿港幣8000 元或Meade 套裝 天文望遠鏡,可免費獲得一次由
天文匯派員到貴校提供儀器使用課程。

詳情可電郵 本公司 或致電 96383899查詢
To all schools in Hong Kong:
All purchases exceed HKD8000 amount, your school will be granted a free seminar on telescope operation, care and maintenance.

For details, please contact our company or phone 96383899


www.astronomy.idv.hk


LX90-ACF
The NEW LX90-ACF represents the latest step in the evolution of the LX90, featuring Meade's f/10 ADVANCED COMA-FREE OPTICS: Building from a classic RC design, Meade has created a new optical design with the same coma-free pinpoint star images and flatter field that discerning astrophotographers and most professional observatories expect. The NEW LX90-ACF with Meade’s Advanced Coma-Free system also reduces the astigmatism and eliminates diffractions spikes found in classical RCs. No competing Schmidt-Cassegrain Telescope can make those claims. The LX90-ACF is the perfect platform for the demanding visual observer and imaging enthusiast with telescopes available in apertures of 8 inches, 10 inches, and 12 inches. When it comes to industry-leading optics, depth of features, and computerized operation, the LX90-ACF is the best all-around telescope value you can find.

Check price

LX90-SC
Meade's Schmidt-Cassegrain (SC) optics give you high performance for the best possible price. For the person looking to get the most from their astronomical dollar, look no further. Meade uses water-white glass with superior light transmission across the entire visible spectrum, unlike inferior standard plate glass used by other telescope manufacturers. Combined with our industry-leading Ultra-High Transmission Coatings (UHTC) -- with 15% better light transmission than standard coatings -- and oversized, thermally-stable Pyrex? primary mirrors for optimum light collection, you get a spectacular viewing experience not available on comparable competitors' telesscopes.

LX90-ACF
For the truly discerning astronomer who will not tolerate anything but the very best, there is Meade's Advanced Coma-Free (ACF) optical system. ACF takes all of the features of our SC models and then ups the ante. With it's technologically superior optical design, ACF gives a flatter, coma-free field of view with pinpoint images all the way to the edge of the field, rivaling Ritchey-Cre'tien performance at a fraction of the cost. ACF is the perfect solution for the serious astroimager or visual astronomer looking for observatory-class optics.

GPS - LX90 can do more than track satellites. It talks to them as well. Turn it on and the built-in Sony(R) GPS sensor immediately determines your precise date, time and location. AutoAlign(TM) then uses this info to align your scope for a tour of the most spectacular sights in the universe.

SLEW SPEED – The LX90 slews (moves) from star to star at 7 degrees per second. That is more than twice as fast as the competition. This means that over the course of an evening, a Meade LX90 will show you two to three times more objects.

EASY ALIGN(TM) –LX90s are smart scopes that know the night sky right out of the box. Easy Align picks two alignment stars for you and places them right in your viewfinder. Just center them to fine tune your alignment and the wonders of the universe are at your fingertips. RIGID CAST ALUMINUM FORK MOUNT – The Meade LX90's Optical Tube Assembly is mounted on two sturdy fork arms giving you a rock solid platform for astrophotography.

LX200(TM) - SERIES TRIPOD – The LX90 comes standard with the same sturdy field tripod as the LX200-ACF series telescope.

OVERSIZED PRIMARY MIRROR – Only Meade manufactures their primary mirrors in diameters larger than their listed aperture (e.g. the diameter of the 8" LX90’s primary mirror is actually 8.25").This additional 1/4" yields a wider, fully illuminated field-of-view, and allows you to see the light other telescopes leave behind. SMART DRIVE(TM) – Meade’s AutoStar? provides Periodic Error Correction (in polar mode). Over the course of one or more training periods your LX90 will minimize guiding corrections during long exposure astrophotography.
8 X 50 VIEWFINDER – Quickly and easily locate and center deep sky objects. AUTOSTAR CONTROLLER – Meade’s AutoStar? can be updated after purchase. Click here to download software upgrades, guided tours and timely objects like comets, satellites and new discoveries – Free! Keep your AutoStar up-to-date, and your LX90 will grow with you for years to come.



8" LX90-ACF/GPS/UHTC
with Autostar and standard tripod
8" LX90GPS-ACF/GPS/UHTC
Autostar 及標準腳架


MEADE 8" LX90 was shown on a TV programme dated 8 June 2006. It was talking about the usage of M8 by some journal reporter who was going to capture the latest news of local artists.

For more information, please refer to: TVB


#497 Autostar電腦控制器
LX90標準配備之一的Autostar控制器,連接在望遠鏡控制平台,
且提供了光學望遠鏡不可思議 的眼界。

兩軸同時以每秒6.5度轉動的自動GO TO功能,可自行訂出以下
30223個資料庫內的天體,包括:
13235個外太空已命名天體、星系、瀰散星雲、行星狀星雲,
星團以及完整的梅西爾系列、Galdwell系列、IC系列和NGC系列

16888個已命名的恆星、SAO星表恆星、大量的雙星、變星及一些
星座上的恆星等等
50個太陽系內的天體:從水星到海王星的八大行星、月球、26個
小行星和15個彗星
50個地球人造衛星:包括國際太空站、哈伯望遠鏡和Mir.等等。
另外還增加200個天體位置記憶空間供使用者利用
任何已知赤經赤緯之星體,自動GO TO功能都定得出來
九個可選扭轉速度:每秒6.5度;每秒3度;每秒1.5度以及128倍、
64倍、16倍、8倍、1倍等恆星時速度
利用RS-232系列介面,透過個人電腦來控制望遠鏡
上百個特殊事件選單,星空導覽,辭典,功能說明以及望遠鏡規格
介紹。在赤道儀或經緯儀模式下,都可自由選擇三種快速調整望遠
鏡的方式,包括Meade精準微調 Autostar由網際網路上可完全升級
,使用者可增加新彗星的位置,更新地球人造衛星的位置,或下載
可取得的新軟體

Now you can buy the telescope of a lifetime at a price you probably never thought possible -
現在你可以極吸引的價格而擁有一枝終身受用的望遠鏡 - 8" LX90


8" LX90-ACF with Autostar and standard tripod
8" LX90-ACF
Autostar 及標準腳架

Accessory Port Module (APM) connected to the auxiliary port of the telescope for use with illuminated eyepiece, electric focuser & CCD autoguider
APM
接駁望遠鏡 AUX , 可外加照明目鏡, 電動對焦及 CCD 自動導星


LX90 wedge with polar adjust & compass (optional) 
LX90赤道架附極軸調整及栺南針
8" LX90-ACF 特點

1. 口徑達 8", 集光力為 5" 2.5
2.
電腦找尋 30,223 個天体, 最高巡天速度每秒 6.5
3.
超高透光鍍膜 UHTC 比一般鍍膜高 21% (可見光 450-700nm)
4.
可使用電腦控制
5. 最新 Autostar 資料可於網上更新
6. 配合赤道式斜批 (equatorial wedge) 可作長時間追蹤攝影
7. 附加 APM 可接駁 CCD 作偏軸式追蹤導星 (off-axis guiding)

8.
價格相宜
(在香港購買, 自取價)
9.
一年有限度保養

Autostar Controller    Autostar 控制器

Autostar #497 適用於 ETX-90PE, ETX-125PELX90-ACF 望遠鏡, 它是目前最多功能的望遠鏡控制器之一. 只須輸入日期、時間及預先設定兩顆基準星 (alignment star), GOTO , 你便可輕鬆地觀測多達 30,000 個天体. 它使用非常簡單, 就算初入門的觀測者在第一次亦很容易觀測到多個天体:土星環, 木衛, 獵戶座星雲, 亞米加星團等. 你亦可將 Autostar 與電腦連線, 透過 #505 連線套件及 Meade AstroFinder 軟體, 便可用滑鼠自如地操控望遠鏡, 不消十數秒, 望遠鏡立刻指向目標天體.

Autostar flowchart  | Autostar 流程圖


Autostar 6
個主菜 →Setup設定→Object目標→Event天象→Guided Tour導航→Glossary詞匯→ Utilities應用

Autostar
6個主菜操控樹狀圖

調校兩顆星 (Alignment star) 前必需做的步驟

A.
電源 (Power)面板向西, 鏡筒向北,
B. 用手將鏡筒反時針旋釵傴劦Y,
C. 然後順時針旋120度至北面,此為歸零位
(home position)


ETX-90/ 125-PE
Autostar 簡易操作法

1. Autostar 上按  ?   再按 5
2. 輸入 [日期], 本地 [時間], Daylight Saving [NO]
3.
屏幕顯示 Align, Enter 選擇 Easy
4.
將鏡筒調成水平 (左側刻度 0) 及向北 (可觀看北極星或用指南針顯示)
5.
ENTER, 望遠鏡自動指向一顆己設定的亮星
6. 如該星不在主鏡視場, 按上///右符號鍵直至該星在視場中央
7.  Enter, 望遠鏡再自動指向另一顆己設定的亮星
8. 如果該星不在視場, 重覆步驟 6
9.
如果該星剛在視場中央, Enter
10. Alignment
步驟完成, 望遠鏡已在追蹤及自動找星



ETX在自動找星呀!

ETX searching for
stars!

找星大法

1. Object 檔選擇 solar system, enter
2.
選擇 Saturn (土星), Enter, 再按 Goto
3.
望遠鏡自動指向土星,嗶一聲即對準

PS:
1. 按 Mode 返回上頁, 再按 mode 多次直至返回最上頁
2. 按住 Mode 2秒顯示: 電池水平 (Battery level), 現 地 時 (Local time), 地平座標
(Alt-az), 天球 座標, (R.A./ Dec), 觀測地 名 (site) 緯度 (latitde/ longitude) 紅點導星 Finder set






web log analysis

LX90 discussion group,
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LX90 FAQ & Information Centre  

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