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致全港各學校:
To all schools in Hong Kong:


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

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

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THOUSAND OAKS Solar Filter 太陽濾鏡

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THOUSAND OAKS Solar Filter 太陽濾鏡 - 太空穿梭機使用SPACE SHUTTLE USING

有現貨 Stock available

100% SAFE from 2" to 16"

Made with high quality hand select glass coated with our exclusive Solar II Plus. The most durable glass filter on the market. Transmission is 1/1,000th of 1% (Optical Density 5). Great for both visual and photographic use. Solar image is yellow-orange.

價格
Dimension 尺寸 mm Price
價格
76(3000) / 82(3250 FS60) / 90(3500) / 95(3750) / 101(4000) HK$440
108(4250 EXT90) / 114(4500 FSQ85) / 127(5000) / 133(5250) HK$510
146mm(5750 FSQ106)/152(6000)/158(6250)/165(6500) HK$640
181(7125 LS6/LT6)/190(7500)/203(8000)/212(8375)222 HK$700
233(9187 M8/C8) / 254(10000 8"牛頓) HK$840
349mm (M12合用) HK$1200

THOUSAND OAKS 4 Channel Digital Dew Heater Controller 四位防凝露加熱器控制器

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THOUSAND OAKS 4 Channel Digital Dew Heater Controller 四位防凝露加熱器控制器

Pre order

Four channel controller facilitate the output control of four dew heater for telescopes/lenses, energy saving can be achieved with suitable adjustment, very useful during observation in wild with limited power source.
Dew heater can prevent formation of dew on the front element of the telescope/lens that hinder clear observation/ruin your precious photo!

四位設計︰可同時控制四台安裝於相機及望遠鏡之防凝露加熱器
旋鈕控制, 可自由調節加熱器輸出功率, 節省電力, 於電源有限的野外觀測及攝影時尤其重要﹗

使用防凝露加熱器可防止觀測及拍攝期間因溫差凝結露水而影響清楚觀測或破壞珍貴的照片

Dew heater in different length also available!
另備有不同尺寸之防凝露加熱器, 適用於各式鏡頭及望遠鏡, 長短兼備, 任君選擇