This thread-on adapter connects Explore Scientific’s 3-inch Self-Centering Focuser to its 3-inch Field Flattener / .7x Focal Reducer. The thread-on design ensures a sturdy connection that eliminates shifting.

Recommended Products:

• Explore Scientific 3-inch Self-Centering Focuser - ES-FOC3
• Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00

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