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天文望遠(yuǎn)鏡
[產(chǎn)品型號(hào)]	8英寸 LX90 ACF 斯密特
[本機(jī)特點(diǎn)]	LX90望遠(yuǎn)鏡現(xiàn)在包含AUDIOSTAR帶揚(yáng)聲器手控器和ASTRONOMERINSIDE，包含超過30000個(gè)目標(biāo)的數(shù)據(jù)庫，GPS接收器，8X50光學(xué)尋星鏡，大尺寸低膨脹高硼硅玻璃主鏡，肖特BOROFLOAT玻璃校正板，衍射極限光學(xué)系統(tǒng)，高透過率鍍膜， 高強(qiáng)鑄鋁叉式支架，智能驅(qū)動(dòng)器，周期誤差校正，標(biāo)準(zhǔn)三腳架，AUTOSTAR套裝軟件，AUTOSTAR軟件可以到www.meade.com免費(fèi)升級(jí)。
[物鏡口徑]	203mm
[物鏡焦距]	2034mm
[物鏡焦比]	10
[天頂鏡]	有
[尋星鏡]	8x50
[托架系統(tǒng)]	fork-type; double tine
[系統(tǒng)凈重]	52 lbs.
[其他參數(shù)]	Include UHTC Setting Circle Diameters, RA and Dec.:RA: 8"; Dec: 5" Sony®GPS GO TO Pointing Precision (approx.):5-arc mins. Pointing Precision:3-arc mins. Slow-Motion Controls:electric, RA and Dec #497 AutoStar Hand Controller:PIC 16C57 microcontroller; 2 line x 16 alphanumeric character display; 20-button keypad, red LED backlit Batteries (user-supplied):8 x C-cells Battery Life (approx.):60 hrs. Onboard Celestial Object Database:30,223 objects Slew Speeds:RA and Dec: 1x, 2x, 8x, 16x, 64x, 128x sidereal and 1.5°/sec., 3°/sec., 6.5°/sec. Tracking Rates:sidereal, lunar, or custom-selected from 2000 incremental rates Tube Body:aluminum Mount Castings:aluminum Primary, Secondary Mirrors:Pyrex® glass Correcting Plate/Lens:clear water white glass Field Tripod Height all models:30" to 44" variable