ZENITH
STAR 70/ MEGREZ-88 FD APO OTA
Photography
| Bird-watching | Star observation
攝影、賞鳥、觀星
![]() STOCK AVAILABLE Stylish design with 10:1 microfocuser, 1.25" eyepiece holder, camera angle adjuster, tripod attachment |
![]() ZENITH STAR 70ED OTA & K mount on tripod 1.25" diagonal 2.5nmm eyepiece (另購 optional) |
![]() From now to 31 Dec 2008, Every purchase of ZS70 ED OTA, FREE gift: 45 degree Erecting prism worth HK$330 由即日至2008-12-31,凡購買 ZS70 ED OTA,敬送價值HK$330的45度正像稜鏡一個 A Review of the William Optics Zenithstar 70ED f:/6.1 refractor by Steve Cox |
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鏡筒內配置七層消光環: 七層消光環有效消除筒內漫射,增加成像清晰度
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![]() Zenith Star 70 OTA, only 308mm long 海外觀測,日全蝕之旅必然之選 |
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Below
photos taken with ZS70 OTA + Philips web cam, focal length=430mm
以 下 影 像 用 ZS70 OTA拍 攝, 配合 Philips web cam, 焦距=430mm
![]() Window 1000m away |
![]() repeater tower 3km away |
![]() ICC Sky crane 4km away |
![]() Wall picture on platform of Cullinan, Kowloon Station 4km away |
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Specification 規 格
| Optical
system 光學系統 |
二片式低色 散 FD APO (FPL-51 Air Spaced, Japan Ohara glass) |
| Effective
aperture 有效口徑 |
70mm |
| Coating 光學鍍膜 |
Super
Multi-Coated with a special super-high transmission coating (STM Coating)
on all surfaces. |
| Focal
length 焦 距 |
430mm(f/6.2) |
| Focuser
travel distance 對焦座伸長量 |
81mm
(3.2") |
| 2">1.25"
eyepiece holder 2">1.25" 轉接環 |
Yes |
| Resolution 解 像 力 |
1.58
arc second |
| Limiting
magnitude 極限星等 |
11.0等 |
| Internal
tube baffling 筒內消光環 |
2
layer of baffling |
Tube surface handling 鏡筒表面處理 |
5
layer Dupont coating 5 層杜邦 (Dupont) 烤漆 |
| Tube
length 鏡筒長度 |
"
( 308mm) 遮光罩後縮狀態 |
| Weight 重 量 |
2.3kg (5.1lbs) |
| Crawford
focuser 卡佛對焦座 |
10:1 Feature touch focus 羽毛調焦 |
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![]() AVAILABLE: IMMEDIATELY Order: gesc@netvigator.com Tel: 852-9638-3899 全球優先發售 | The first sale on earth |
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ZenithStar
SD Doublet APO, 66mm, f. 5/9, BLUE color, ideal to piggyback on your Meade
SCT . A small-aperture,
extremely-portable APO scope at a great price ZSSD Doublet APO is here! |
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