M54–M48 adapter for ZWO EFW 2" and M54 filter drawer (ZWO, SKU: M54M-M48F-2). This adapter converts the M54 connection of a ZWO EFW 2" filter wheel or ZWO M54 filter drawer to an M48 connection on the telescope side. It has an external M54 thread, an internal M48 thread and an optical length of 2 mm.
Key features
• adapts M54 and M48 connections • optical length of 2 mm • knurled edge for easier attachment and removal
Included items
• adapter M54M-M48F-2
Technical specifications
• external thread: M54 • internal thread: M48 • optical length: 2 mm • overall thickness: 6 mm • external M54 thread length: 4 mm • internal M48 thread length: 6 mm, through the entire adapter • weight: approximately 16 g
The adapter provides a compatible M48 connection for an EFW 2" wheel or ZWO M54 drawer, adding 2 mm to the optical spacing.
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