Samyang T2 Black SAM2C Doubler for optical focal

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  Focal Doubler for Samyang 800 mm  

  Samyang SAM2C Doubler optical focal T2 Black (Accessory)

  We reached the limits dive ..... .... or it must close that the objects are 5-10 m (the it'll still) .L'autre bp which I had not thought, it ' is the overhang generated by the length of the doubler (60 mm) which generates an overweight on the frame o
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  For universal optical Samyang  

  Samyang SAM2C Doubler optical focal T2 Black (Accessory)

  Fits Samyang optics because no specific ring (a thread to liaise with the optic). Not worth more than it costs. For optical quality is better to turn to manufacturers solutions.
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  Unusable with Samyang 800 I had on hand  

  Samyang SAM2C Doubler optical focal T2 Black (Accessory)

  The Samyang 800 used was de-collimated and did not allow to carry out a MAP. This doubler could therefore not be tested in the correct conditions. So I do not know its real possibilities. Can not put a note on the doubler
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  astrophoto to focus on Dobson  

  Samyang SAM2C Doubler optical focal T2 Black (Accessory)

  Theoretically allows (almost) impossible to focus on astrophoto Dobson; I however had to reduce the screw-2mm part in the OP for successful MAP to infinity
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  Very means 19  

  Samyang SAM2C Doubler optical focal T2 Black (Accessory)

  The M42 is a handy standard, but Samyang is disappointing here, the quality of the doubler is really average. Knowing that for a high-quality splitter, you must pay the price (like Canon for example ...)
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  Good quality of product 4  

  Samyang SAM2C Doubler optical focal T2 Black (Accessory)

  This doubler associated with Samyang 500mm gives a 1000mm. Easy to use, it requires the use of a foot because with this focal length, the slightest movement makes it very blurry photo. To you the pictures of distant animals or moon!
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