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PETF compression material helps prevent marring or scratching of accessory barrels while providing a secure grip
1% transmission of major transmission lines of artificial light pollution: Hg (Mercury) at 435
Stable Lock: The Filter Drawer MAX utilizes a metal bead screw with a 3-point lock system
Ideal for Both Deep Sky & Planetary Imaging
SVBONY SV209 0.8× Focal Reducer & Field Flattener for SV550 122 APO FRA600 PETF compression material helps preventThe SVBONY SV209 0. 8 Focal Reducer Field Flattener is specifically designed for the SV550 122mm f 7 Triplet APO refractor. It optimises the telescope for wide field astrophotography by reducing focal length and correcting field curvature, resulting in faster imaging and sharp stars across the entire sensor. Key Features 0. 8 Focal Reduction Reduces the effective focal length by 20%, delivering a wider field of view and shorter exposure times. Field
US$ 185.00
US$ 155.00
US$ 95.00
