Dear: With respect to support, the designs and dimensions, checked the clamp would take the eye 1.25 "and 2", purchase in order to get the two sizes, but apparently have buy another item for 1.25 ". Dear: Regarding the support, by the drawings and dimensions, I verified that the clamp would take the 1.25 "and 2" eyepieces, I made the purchase in order to get the two sizes, but I will have to buy another item is 1.25 ".