現有全銅工藝單筒望遠鏡, rmb 100元. (HK$115.00)
10 支起成團. 有興趣的, 請報名.
相片中銅色那一支, 銀色那一支不是的.
Update information:
magnification = 30 x
aperture = 25 mm
The tube is brass.
1. Eddy so
2. nosneb
3. Gary125
4. funoooo
全銅工藝單筒望遠鏡團購 - update 1
全銅工藝單筒望遠鏡團購 - update 1
- 附加檔案
-
- 160.jpg (62.88 KiB) 已瀏覽 5762 次
最後由 funoooo 於 週五 05 3月, 2010 12:28 編輯，總共編輯了 5 次。
![[吐血2]](./images/smilies/onion_6360f60e.gif "吐血2")
Dear Mr. Yuen: You can buy one for observation and security purposes.syyuen168 寫:The density of aluminum is 2.70 g/cm3 and the density of copper is 8,96 g/cm3. So, if everything being equal and the aluminum telescope weighs 1 kg, that for pure copper it is 3 kgs. So, make yourself strong before you can carry the copper tube along toa dark side.![[吐血1]](./images/smilies/onion_cfed93e2.gif "吐血1")
Eddy, I am not a pirate, so I do not use a single tube telescope. 
Eddy So 寫:Dear Mr. Yuen: You can buy one for observation and security purposes.syyuen168 寫:The density of aluminum is 2.70 g/cm3 and the density of copper is 8,96 g/cm3. So, if everything being equal and the aluminum telescope weighs 1 kg, that for pure copper it is 3 kgs. So, make yourself strong before you can carry the copper tube along toa dark side.
That means I need to buy one because I am a pirate of … [萬年奸臣] . Dear Boss Funoooo, please reserve one for me. [高處不勝寒]syyuen168 寫:Eddy, I am not a pirate, so I do not use a single tube telescope.Eddy So 寫:Dear Mr. Yuen: You can buy one for observation and security purposes.syyuen168 寫:The density of aluminum is 2.70 g/cm3 and the density of copper is 8,96 g/cm3. So, if everything being equal and the aluminum telescope weighs 1 kg, that for pure copper it is 3 kgs. So, make yourself strong before you can carry the copper tube along toa dark side.
![[射門]](./images/smilies/onion_20f27c58.gif "射門")
誰在線上
正在瀏覽這個版面的使用者：沒有註冊會員 和 26 位訪客