The ring adapter can't auto focusing: The adapter ring has no electrical connection and diaphragm & focusing are required to be set by manual. Thread: Both the adapter are universal M42x0.75 thread. For Canon EOS M Mount.
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Fits Celestron SCTs. Typically used for imaging nebulae, galaxies and other large (but dim) deep sky objects. The projected image size increases with distance, similar to a flashlights beam. A "Variable" Projection adapter allows you to change the projection distance.
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It can effectively eliminate the influence of light pollution. Even if you are in an area seriously affected by light pollution, the pictures taken with the ColourMagic Ultra E 2” Duo-narrowband Filter are still very good.
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The 4um large pixel makes it suitable for guiding. QHY5III (Ver. - Model: QHY5III200M. The QHY5III (Ver. Universal Guiding Interface. In this latest generation of sensors, the photodiode portion of the pixel well is physically deeper than in previous sensors, allowing photons of longer wavelengths to penetrate deeper into the substrate. ).
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The ring adapter can't auto focusing :The adapter ring has no electrical connection and diaphragm & focusing are required to be set by manual. 1 X Photography Extension Tube. Thread: Both the adapter are universal M42x0.75 thread.
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The 4um large pixel makes it suitable for guiding. QHY5III (Ver. - Model: QHY5III200M. The QHY5III (Ver. Universal Guiding Interface. - Resolution: 1920 1080. During normal operation this indicator light is off, so there is no worry about light contaminating the image. ).
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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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It has a high sensitivity in the near-infrared, and the dynamic range performance has been greatly improved. - The IMX585 is a Starvis II processor for Sony that enables high sensitivity and high dynamic range (HDR).
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