Product Catalog    產品目錄     
                        

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


Stylish design with 10:1 microfocuser, 1.25" eyepiece holder, camera angle adjuster, tripod attachment

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

Promotional Offer 優 惠 價:

HK$3,200/RMB2,820


到本店自取价 | 郵購另加運費


Valid until 有效期至: 31 Dec 2008

 


Zenith Star 70 OTA, only 308mm long
海外觀測,日全蝕之旅必然之選


ZENITH STAR 70 OTA OPTIONAL ACCESSORIES

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


Tates Cairn Radar Station 6km away


Tates Cairn Radar Station 6km away with 2x barlow f.l.780mm

Specification  

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.
多層Super Multi-coating 高 透 光 超 級 鍍 膜 於所有玻璃表面

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
1.58秒角

Limiting magnitude
極限星等

11.0等

Internal tube baffling
筒內消光環

2 layer of baffling
2 層消光環


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
" ( mm) 遮光罩前伸狀態

Weight 重  量

2.3kg (5.1lbs)

Crawford focuser 卡佛對焦座
10:1 Feature touch focus 羽毛調焦

 

 


State-of-the-art craftsmanship and latest lens design
Assembled in Taiwan, lens made in Japan
Introductory special: HK$6,980.00 !!!
valid until 31 July 2008
Megrez 90mm f/6.9 FD APO Refractor HK$8,300.


AVAILABLE: IMMEDIATELY
Order: gesc@netvigator.com
Tel: 852-9638-3899
全球優先發售 | The first sale on earth

 


FLT98 triplet with extra-light Carbon Fiber tube and best lens WO ever made will be available next month. Merely 3.5kg weight. It received positive feedback from dealers and customers in NEAF.
AVAILABLE: IMMEDIATELY

 

ZenithStar SD Doublet APO, 66mm, f. 5/9, BLUE color, ideal to piggyback on your Meade SCT .
PROMOTIONAL PRICE: only limited quantity at this price.

A small-aperture, extremely-portable APO scope at a great price ZSSD Doublet APO is here!
Sharp to the edge and color free, no other scope will beat it's price/quality ratio! Excellent mechanics and fit and finish, Crayford 2-speed fine focuser, super-high transmission multi-coating, aluminum case. Fast focal ratio makes it your ideal fast set-up for travel astrophotography or piggybacking.

 

 


ZS66SD OTA, only 300mm when fully retracted


Special offer | Silky smooth 10:1 microfocuser



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