Player One S-Series 1.25 inch ERF Filter - Dark Clear Skies Astrophotography Telescope Black anodised finish with non-fading

Black anodised finish with non-fading laser engraving

it can suppress stray light from entering the lens

1 × SVBONY 1

"sku":"CERES-M"

Player One S-Series 1.25 inch ERF Filter - Dark Clear Skies Astrophotography Telescope Black anodised finish with non-fadingPlayer One S Series 1. 25 inch ERF Filter SKU: ERF125 Category: Filter and Wheel Description: The Player One S Series 1. 25 inch ERF Filter utilizes high quality optical glass substrate and multi layer composite coating technology, ensuring excellent optical performance for astrophotography. The ERF filter is an assistant filter specifically designed for the Quark Chromosphere (Ha version). Its purpose is to reject excess energy and extend the