Front Sleeve internal thread: M48 0.75mm for Filter. Back-end Outer Sleeve external thread: M54 0.75mm Male Threads. Back-end Sleeve internal thread: M42x0.75mm.
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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 super high sensitivity and a large resolution of 3840 2160 (8.29MP in total). ASI585MC Pro. STARVIS 2 is the latest technology with a wider dynamic range and super-high sensitivity beyond the human eye.
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Material: Aluminum Alloy. 1 x Holder Ring.
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Sleeve Internal Thread: M48x0.75mm(Only Refers to the 9.5mm Filter Threads, The Rest are Extinction Threads). Threaded for Standard 2" Eyepiece Filters (M48 0.75mm). Fully Baffled to reduce reflections.
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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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1 Piece Photography Sleeve. - Mount: for Sony. - Thread: Both the Adapter are Universal M42x0.75 Thread.
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4 x Spacer. - 1 x T2-1.25”Adapter. - 2 x 0.5m USB2.0 Cable. - 1 x M42 - M48 Adapter. - 1 x 1.25”Cover. - 1 x 1.25”Nose Piece. - 1 x T2-M48 16.5mm Extender.
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