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TS 2" / T2 Flip Mirror and Off Axis Guiding System and 35mm extension tube

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Have a TS 2'' multipurpose Flip Mirror/OAG plus 35mm extension tube for sale. 

Here is the description from website:

Fields of use:

-- Flip Mirror:
 here, no mirror is flipped but a large prism is placed onto the optical axis for 90° viewing position. In straight-through mode, the prism is pulled outward and gives the optical path free. Centre the object with the 90° viewing position, pull out the prism and capture the now centred object with your camera or observe it with a high-power eyepiece.

-- Off Axis Guider: the prism is placed at the rim of the optical field. Now the autoguider can "see" stars outside the camera's field of view. This application is recommended for sensors up to approx. 30mm diameter (APS-C). The flip mirror is rotatable by 360° making finding a guide star easy.

More Detailed info of back foucus and connection can be found on teleskop-express.de 



I will cover the Paypal and shipping fee.

Thanks 

Jianheng