Daystar Filters Imaging Focal Reducer, 0.5x/0.33X, 2" to T, with 20mm T Extension Tube
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Enhanced Field of View: Specifically designed to expand the field of view in astrophotography, enabling wider and more comprehensive imaging.
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Focal Reduction Options: Offers a 0.5X reduction when directly connected to a T-mount camera, and a 0.33X reduction with the included 20mm T extension tube.
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Interference Elimination: Achieve a 0.38X effect free of interference by pairing with the T-thread Interference Eliminator (available separately).
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Mounting Flexibility: Comes with a 2" to T mount, ensuring compatibility with a wide range of telescopes and cameras.
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Field of View Limitations: The obtainable field of view depends on the etalon clear aperture; Quantum filters provide a larger field than Quark or Ion.
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Full Disk Imaging Capability: Enables full disk imaging when used with SR127 telescopes and 2/3" monochrome CCDs, including models like ICX625, ICX655, IMX250, IMX264.
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Ideal for Advanced Astrophotography: Perfect for astronomers and photography enthusiasts looking to capture expansive celestial scenes with greater detail.
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User-Friendly Design: Easy to attach and configure, enhancing the user experience for both amateur and professional astrophotographers.
Specifications
Focal reducer specifications:
Four elements in two groups.
36mm clear aperture.
Front: Male 2" eyepiece drawtube.
Rear: Male T thread (M42x0.75)
Flange to flange distance: 5mm.
Overall length: 38mm.
Extension tube specifications:
Front: Female T-thread (M42x0.75)
Rear: Male T-thread (M42x0.75)
Flange distance: 20mm
Overall length: 25mm
Knife edge baffles for superior contrast.
