About this product
Astro Essentials M42 to 1.25" Filter Holder / Adapter
This handy adapter lets you insert a standard 1.25" filter inside an M42x0.75 / T2 threaded adapter or nosepiece.
CNC machined aluminium with matt-black anodising to reduce reflections.
5mm total thickness.
Adds zero length to your optical path.
Handy holes for easy insertion / removal.
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