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Explore Scientific

Explore Scientific 2.5" Hex Focuser Adapter for FFFR507X-00 – 510366

Explore Scientific 2.5" Hex Focuser Adapter for FFFR507X-00 – 510366

$89.99
$89.99
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The Explore Scientific 2.5" Hex Focuser Adapter for FFFR507X-00 (510366) is a precision-made accessory designed to allow seamless use of the Explore Scientific 3" Field Flattener & 0.7x Focal Reducer (FFFR507X-00) with telescopes that feature a 2.5" hex focuser. Many high-performance refractor telescopes use a 2.5" hex focuser for robust, smooth focusing, and this adapter ensures your imaging accessory fits securely and aligns correctly with the optical train.

This adapter promotes stable mechanical connection and consistent optical spacing, helping maintain sharp, flat star fields and the correct back focus when using the flattener/reducer on compatible refractors. Its solid construction is designed for frequent use and dependable repeatability in both visual observing and astrophotography setups.

Features

  • Precision-machined adapter designed for use with the Explore Scientific 3" Field Flattener & 0.7x Focal Reducer (FFFR507X-00) 

  • Allows installation on telescopes with a 2.5" hex focuser 

  • Ensures secure mechanical coupling between accessories and focuser drawtube

  • Maintains correct optical spacing and back focus for imaging performance

  • Durable metal construction for repeatable, reliable use

  • Ideal for integrating advanced imaging accessories into hex-style focusers

Specifications

Specification Details
Model/SKU 510366
Adapter Type 2.5" Hex Focuser Adapter
Compatible Accessory FFFR507X-00 Field Flattener & Focal Reducer
Focuser Size 2.5" hex focuser
Construction Precision-machined metal
Purpose Adapts 3" imaging accessory to 2.5" hex focuser
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