LICAEVEY M48 Extension Tube
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The LICAEVEY M48 30mm Thread Extension Tube is a precision-machined spacer designed to provide the correct back focus distance when using focal reducers and field flatteners in astrophotography setups. Its standard M48x0.75 threading ensures broad compatibility with popular accessories, while the matte black interior finish helps suppress internal reflections for cleaner images. Overall, it is a well-thought-out accessory that addresses a common spacing challenge in astronomical imaging trains.
Key Features & Specs
| Thread Standard | M48x0.75 standard threading for wide compatibility with focal reducers and field flatteners |
|---|---|
| Length | 30mm extension providing a fixed spacer distance for precise back focus adjustment |
| Interior Finish | Matte black interior to minimize internal reflections and reduce stray light contamination |
| Material | Machined metal construction for durability and stable, repeatable threading engagement |
| Compatibility | Works with M48-threaded focal reducers, field flatteners, cameras, and filter drawers |
| Use Case | Designed for professional and semi-professional astronomical imaging train assembly |
| Aperture | 48mm clear aperture preserves the full light path for most imaging sensors |
Best for: Astrophotographers who need a reliable, precisely threaded spacer to achieve the correct back focus distance with M48-compatible focal reducers or field flatteners in a dedicated imaging setup.