2" 3X Focal Extender families The U-mount as a base

The U-mount as a base for large binoculars and always with you on every excursion

while fully multi-coated optics ensure bright

we make focal extenders in 2X

this telescope is as versatile as it is powerful

2" 3X Focal Extender families The U-mount as a baseThe Explore Scientific 3X Focal Extender (2. 0 inch O. D.), accepts both 1. 25 inch O. D. and 2. 0 inch O. D. format eyepieces and camera adapters. Fully EMD Coated on all air to air lens surfaces, with all lens elements edge blackened to produce superior contrast, this focal extender adds some real versatility to your telescope accessory line up. First of all, it allows you to increase the magnification of any eyepiece with the same barrel size that