Visual Backs for ESATTO 3" and ARCO 3"

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Overview If you want to use your telescope visually with ESATTO 3" or if you want to connect a camera with a 2" or 3" nosepiece to your ESATTO 3" or ARCO 3", just connect these vis ual backs to the M81 thread of the focuser draw tube. This adapter has an internal brass compression ring to avoid scratching the inserted nosepiece as well as 3 locking screws (120° separation) for a perfect fit, even for heavy cameras or accessories. Optical length of the 2" visual back for ESATTO 3" is 12,5mm. Optical length of the 3" visual back for ESATTO 3" and ARCO 3" is 12,5mm. Show more