ToupTek GS-250AR PAPO f/5 Guidescope + AAF Precision Autofocus Astro Electric Automatic Focuser
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Specifications
Brand
Product type
Technical specs
Design and durability
Description:
- The astronomical electric focuser is one of the essential accessories for astrophotography and observation. It precisely adjusts the position of the telescope's focuser with automated operation,ensuring accuracy and efficiency in astrophotography and observation.
- The ToupTek Astro AAF (Astro Automatic Focuser) is plug-and-play, significantly enhancing the efficiency and precision of astrophotography and observation. It supports the focusing needs of most telescopes on the market and adapts to various environmental conditions.
PAPO Apochromatic Optical Design, True Star-Color Reproduction:
- The GS Series guide scopes feature a proprietary three-element PAPO (planar apochromat with integrated field flattener) configuration with one ED element, effectively correcting chromatic aberration, astigmatism, and field curvature. Designed around a flat, well-corrected 1-inch image circle, they deliver crisp, pinpoint star images for accurate guiding, while also supporting visual use and entry-level night-sky/DSO imaging.
High-Transmission Coatings + Anti-Reflection Threads, Boost Guiding Sensitivity:
- All optical surfaces use broadband multi-layer AR coatings to minimize reflections and maximize transmission. The internal barrel is precision-machined with anti-reflection threads and additional stray-light suppression, greatly improving image contrast.
CNC Precision Machining, Fine Matte Finish:
- The tube, rings, and dovetail plate are CNC-machined from aluminum alloy for a balance of low weight and structural strength. Anodized surfaces provide wear and corrosion resistance suited to field astronomy. The fine matte texture is comfortable, durable, and non-slip.
Modular Structure for Maximum Flexibility:
- A proprietary universal M48 extension tube with anti-reflection treatment forms the main barrel, allowing flexible combinations to match optical path requirements - from visual observing to astrophotography.
Wide Compatibility · Rich Configurations, Seamless System Integration:
- Built for flexibility: support for 1-inch sensors, direct threaded connections, and multiple mounting points let the GS Series integrate smoothly with a wide range of cameras and setups.
Package Included:
- 1 x Guide Scope
- 1 x Dust Cover
- 1 x Set of AAF
Note:
- The GS-350 guide scope displayed in the picture is out of stock, for demonstration only.
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