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The adapter is threaded to accept standard 1.25" filters. The inside of the adapter is fully threaded to minimize reflections. We will do our best to solve problems for you.
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Farbe: Rot, Schwarz, Silber.
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Material and Stability: CNC machined aluminum alloy, lightweight yet, with low vibration, suitable for long-exposure deep-sky photography. Size Options: 310mm (12.2") dovetail plate + 120mm (4.72") mounting ring; 260mm (10.24") + 120mm (4.72"); 400mm (15.75") + 130mm (5.12") optional.
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The Askar 71F adopts a quadruplet air-spaced APO lens design, including one piece of ED glass, which can effectively reduce chromatic aberration. The dew shield of the Askar 71F is a retractable design, further shortening the overall length and increasing portability.
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QHY533M (mono) and QHY533C (color) have different interface designs to be more flexible to deal with different applications. QHY533M can be directly connected to the QHYCFW3S-SR without removingany part of the filter wheel (like the filter container).
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Material und Stabilität: CNC-gefräste Aluminiumlegierung, leicht und dennoch vibrationsarm, geeignet für langbelichtete Deep-Sky-Fotografie.
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The HOYA UV & IR light transmission curve shows the sharp-cut nature of the filter glass and coatings as well as the consistent light transmission in the visible spectrum. This curve demonstrates a more even visible light transmission than the closest competitor.
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