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Description A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magn...

Description A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magn...

Description The 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 ad...

Description The 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 ad...

Description This adapter allows you to attach the 3-inch 0.7X Field Flattener Focal Reducer (FFFR507X-00) on optical tubes with a 2-inch focuser. ...

Description This adapter replaces the M42x0.75 Adapter for CCD Camera that comes standard with the Explore Scientific 3-inch Field Flattener/0.7x ...

Features This is a field flattener for refractor-type telescopes with a focal ratio of f/5 to f/7 Causes no change to the telescope focal length ...

Description A good Focal Extender adds some real versatility to your telescope accessory line-up. First of all, it allows you to increase the magn...

Description This thread-on adapter connects Explore Scientific’s 3-inch Self-Centering Focuser to its 3-inch Field Flattener / .7x Focal Reducer. ...