2"Barlow,2.2X, FOR MIRROR DIAGONAL

This 2.2X barlow is designed for use with a 2" mirror diagonal.  There are (2) popular threads. 2UB2ME is for mirror diagonal input barrels with 0.75mm threads.  These include EXPLORE, GSO,MEADE..  The achromatic doublet is 44mm aperture, edge blackened and fully multicoaded. *Some refractors may require tube extensions.