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Using L-QEF filter can help you save a lot of time during the shooting process
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OPTOLONG 2" L-Synergy Filter Dual 7nm Narrowband Filter OIII(500.7nm)&SII(672.4nm) AstroFi 102 } frameworkL Synergy is a dual 7nm narrowband filter ( M48*0. 75mm thread ) compatible with DSLR cameras, color CMOS sensors, and CCD cameras, supporting telescope systems with F ratio of F3. 3 or above (slower system. Its key advantage lies in enabling astrophotography amateurs to capture exceptionally detailed emission nebulae even in light polluted environments. After years of technical refinement, it has been optimized to minimize bright star halos while
