... shell first enclosed with the telescope.2. adjust the clear focus with your naked eye3. It can take pictures while fixing ... cell-phone is anlyzed degree enough,you can adjust the focus with the screen of the cell-phone)
Detailed Product Description Modularized Fiber Optic MultiplexerThe modularized optical fiber multiplexer is created with 16E1+100M full speed Ethernet capacity of transmission interfaces. The equipment also provides various interface modules for voice(FXS/FXO), data(V.35) and RS232 . Functions:Multiplexer of 16*E1 (2.048Mb/s) channels, 2* 100MbpsEthernet channel and a clear asynchronous RS-232 ...
Detailed Product Description 1) 1.499 polarized single vision semi-finished lens a) Diameter: 75mm b) Base curve: 400, 600, 800 2) 1.499 polarized singl
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