頭燈
這幾天在找頭燈的一些資料，因為想要在山上觀星時可以使用，這樣可以空出兩手來做其它事情。
目標大概是法國 Petzl 的 Tikka XP，售價約為一千七百元以內，最低看到一千四百多元。相關規格如下：
* Single, powerful LED with white, even lighting and long light duration.
* Powerful focused beam with 3 lighting levels (maximum, optimum, economic) and strobe mode, to adapt the light to activity and light duration needs.
* Boost mode: 50 % more light than the maximum level for 20 seconds.
* Wide Angle lens for diffuse, proximity lighting.
* Battery level indicator.
* Light beam can be aimed where desired.
* Adjustable and comfortable elastic headband.
* Water resistant for all-weather use.
技術規格
Operates with 3 AAA/LR03 batteries (included)
Weight: headlamp (59 g) + batteries (36 g) = 95 g
如同上面的規格，亮度、重量方面都還不錯，而且亮度是可以調整的，但是不像其它Tikka系列有紅色遮光片，這樣多少會影響到觀星。
目標大概是法國 Petzl 的 Tikka XP，售價約為一千七百元以內，最低看到一千四百多元。相關規格如下：
* Single, powerful LED with white, even lighting and long light duration.
* Powerful focused beam with 3 lighting levels (maximum, optimum, economic) and strobe mode, to adapt the light to activity and light duration needs.
* Boost mode: 50 % more light than the maximum level for 20 seconds.
* Wide Angle lens for diffuse, proximity lighting.
* Battery level indicator.
* Light beam can be aimed where desired.
* Adjustable and comfortable elastic headband.
* Water resistant for all-weather use.
技術規格
Operates with 3 AAA/LR03 batteries (included)
Weight: headlamp (59 g) + batteries (36 g) = 95 g
如同上面的規格，亮度、重量方面都還不錯，而且亮度是可以調整的，但是不像其它Tikka系列有紅色遮光片，這樣多少會影響到觀星。
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