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Optical Diameter 127mm
and details begin to materialize that were not revealed at first glance
and at 152mm (6-inches) of aperture
Generally these items come from one of three sources: returned
Using advanced computer design
2" 2X Focal Extender 62-series-eyepieces Optical Diameter 127mmThe Explore Scientific 2X 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
