DURABILITY MEETS STABILITY - IRO coating provides scratch resistance and temperature stability.
RIGOROUS QUALITY ASSURANCE - Each filter undergoes stringent testing for unmatched quality.
The Optolong LRGB Filter Set (2") features precision-engineered filters with λ/4 wavefront accuracy, ultrasonic cleaning for optimal purity, and a durable IRO coating for enhanced performance. Each filter is rigorously tested to ensure top-tier quality, making it an essential tool for serious astrophotographers.
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